| 1942 |
Established Shizuoka Processing Paper Co., Ltd. in 1942 and began selling moisture-resistant and waterproof paper 'Taropol Paper'. |
| 1942 |
Shizuoka Processing Paper Co-Distribution Co. established; began selling moisture-resistant and waterproof paper 'Taropol Paper'. |
| 1942-09-02 |
Established on September 2, Showa 17 (1942). |
| 1942-09-02 |
Date of establishment: September 2, 1942 |
| 1945 |
Changed the company name to Shizuoka Processing Paper Industry Co., Ltd. in 1945. |
| 1945 |
Changed company name to Shizuoka Processing Paper Industrial Co., Ltd. |
| 1951 |
Moved headquarters to Nihonbashi-Honcho, Chuo-ku in 1951, built the Shimizu plant, and launched asphalt-coated paper 'SK Taropol Paper'. |
| 1951 |
Moved headquarters to Nihonbashi Motomachi, Chuo-ku; built the Shimizu plant; launched asphalt-coated paper 'SK Taropol Paper'. |
| 1952 |
Established the Packaging Science Research Institute, a product development and research base, in 1952. |
| 1952 |
Established the Packaging Science Research Institute, a product development and research center. |
| 1953 |
Opened an Osaka branch office in 1953; the Shimizu plant obtained JIS certification and received the Industrial Technology Institute Director's Award. |
| 1953 |
Opened Osaka branch office; Shimizu plant obtained JIS approval for manufacturing 'Taropol Paper' and received the Industrial Technology Institute Director's Award as the first in the paper industry. |
| 1954 |
Introduced chlorinated vinylidene coating in 1954, launched chlorinated vinylidene processed paper 'Viniram', high moisture-resistant paper 'Vinipol', and export fertilizer paper 'Hessan Taropol'. |
| 1954 |
Introduced vinyl chloride coater; launched vinyl chloride processed paper 'Viniram'; launched advanced moisture-resistant paper 'Vinipolin'; launched export fertilizer 'Hessan Taropol'. |
| 1957 |
Introduced a laminator from the U.S. company Blackclaus in 1957 and launched polyethylene processed paper 'Poliram'. |
| 1957 |
Introduced laminator from Blackclaus Inc. (USA); launched polyethylene processed paper 'Poliram'. |
| 1958 |
Introduced an asphalt coating machine in 1958, launched 'Polisero' for food packaging, and 'Poliram A' received the Minister of Commerce Award. |
| 1958 |
Introduced asphalt coating machine; launched food packaging 'Polisero'; 'Poliram A' received the Minister of Commerce, Industry and Tourism Award. |
| 1959 |
Launched 'Fabric Poliram', a substrate for fabric adhesive tape, in 1959. |
| 1959 |
Launched fabric adhesive tape substrate 'Fabric Poliram'. |
| 1961 |
Introduced a chinmar roller coater in 1961 and launched 'Separator' (now SK Separator). |
| 1961 |
Introduced chinmar roll coater; launched 'Separator' (now SK Separator). |
| 1962 |
Established Kaken Industrial Co., Ltd. in 1962. |
| 1962 |
Established Kaken Industrial Co., Ltd. |
| 1963 |
Established the Nara plant of Kaken Industrial Co., Ltd. in 1963. |
| 1963 |
Established Kaken Industrial Nara Plant. |
| 1964 |
Changed the company name to Sanei Chemical Industry Co., Ltd. in 1964, opened a research institute, renamed the Shizuoka plant to Shizuoka Plant, built the Sapporo plant, and introduced the first dry laminator in Japan from Switzerland. |
| 1964 |
Changed company name to Sanei Chemical Industries Co., Ltd.; established a research institute; renamed Shimizu plant to Shizuoka plant; built Sapporo plant; introduced the first dry laminator in Japan from Switzerland. |
| 1965 |
The Shizuoka plant became a JIS-approved polyethylene processed paper factory in 1965. |
| 1965 |
Shimizu plant became a JIS-approved polyethylene processed paper factory. |
| 1966 |
Moved headquarters to Shiba Park, Minato-ku in 1966 and launched 'Resin Cross' for heavy packaging and 'Ace Pack' self-standing bags. |
| 1966 |
Moved headquarters to Shiba Park, Minato-ku; launched resin cross packaging for heavy packaging; launched self-standing bag 'Ace Pack'. |
| 1967 |
In 1967, the composite film 'Sanylon' was launched, received the Industrial Technology Institute Award, and supplied laminate technology to Taiwan's San-Yang Corporation. |
| 1967 |
Launched composite film 'Sanilon' and received the Industrial Technology Institute Award; provided laminate technology to Taiwan San-Yang Enterprise Co., Ltd. |
| 1968 |
In 1968, the surface protection film 'Sanytect' was launched and obtained approval from the Ministry of Defense. |
| 1968 |
Launched surface protection film 'Sanitech'; obtained Defense Agency approval for MIL products. |
| 1969 |
In 1969, 'Sanytect' received the Japan Packaging Technology Association Chairman's Award, and the cold storage container 'Green Box' received the Minister of Commerce, Industry and Tourism Award. |
| 1969 |
Sanitect received the Japan Packaging Technology Association Chairman's Award; the cold storage container 'Green Box' received the Minister of Economy, Trade and Industry Award. |
| 1970 |
In 1970, the Takei plant and the Ibaraki plant of Kaken Industrial Co., Ltd. were built. |
| 1970 |
Construction of the Fukui plant: Kaken Industrial Co., Ltd. Ibaraki plant construction. |
| 1972 |
In 1972, the Osaka sales office of Kaken Industrial Co., Ltd. was opened. |
| 1972 |
Opening of Kaken Industrial Co., Ltd. Osaka sales office. |
| 1974 |
In 1974, the heat-sensitive type 'Sanytect' film 'PAC' was launched. |
| 1974 |
Launch of the heat-sensitive type Sanitect film 'PAC'. |
| 1977 |
In 1977, the pouch with cap 'Bill Pack' was launched. |
| 1977 |
Launch of the caped pouch 'Bill Pack'. |
| 1978 |
In 1978, 'Easy Open' 'Sunshell' and the dust-proof mat 'Surgical Mat' were launched. |
| 1978 |
Launch of Easy Open 'Sunshell'; launch of dust-proof mat 'Surgical Mat'. |
| 1979 |
In 1979, a multilayer film manufacturing machine was introduced at the Takei plant. |
| 1979 |
Introduction of a multilayer film manufacturing machine at the Fukui plant. |
| 1980 |
In 1980, the headquarters moved to 3-1-3, Chiyoda-ku. |
| 1980 |
Relocation of headquarters to 3-1-3, Chiyoda-ku, Tokyo. |
| 1981 |
In 1981, the Shizuoka plant became a certified factory under the Soft Packaging Hygiene Council's processing hygiene management standards. |
| 1981 |
Shizuoka plant becomes a certified processing hygiene management standard factory of the Soft Packaging Hygiene Council. |
| 1983 |
In 1983, the headquarters moved to Kanda Awajicho, a branch office in Kyushu was opened, and technology was supplied to Guangdong Province, China. |
| 1983 |
Relocation of headquarters to Kanda Awajicho, Chiyoda-ku, Tokyo; opening of Kyushu branch office; technology transfer on plastic film processing to Shenzhen Petrochemical Packaging Materials Factory, Guangdong Province, China. |
| 1986 |
In 1986, technology related to 'PAC' was supplied to DSM in the Netherlands. |
| 1986 |
Technology transfer on 'PAC' to DSM in the Netherlands. |
| 1987 |
In 1987, the Nagoya sales office was opened, and medical packaging technology was supplied to SOPLARIL in Spain. |
| 1987 |
Opening of Nagoya sales office; technology transfer on medical packaging manufacturing to SOPLARIL in Spain. |
| 1988 |
In 1988, the new research institute building and the Shizuoka sales office were completed, and 'Air Cushion Material' was launched. |
| 1988 |
Completion of new laboratory building and Shizuoka sales office; launch of 'Air Cushion Material'. |
| 1989 |
In 1989, the Nara plant of Kaken Industrial Co., Ltd. became a certified factory under the Soft Packaging Hygiene Council's processing hygiene management standards. |
| 1989 |
Kaken Industrial Co., Ltd. Nara plant becomes a certified processing hygiene management standard factory of the Soft Packaging Hygiene Council. |
| 1990 |
In 1990, the anti-corrosion film 'Dymec', the silicone adhesive tape 'Adock', and the conductive carrier tape 'Adpeel' were launched. |
| 1990 |
Launch of rust-proof film 'Daimek'; launch of silicone adhesive tape 'Adock'; launch of conductive carrier tape and cover film 'Adpeel'. |
| 1991 |
In 1991, the large laminators for industrial materials were integrated into the Takei plant. |
| 1991 |
Integration of large laminators for industrial materials into the Fukui plant. |
| 1993 |
In 1993, the Sapporo plant obtained certification under the Soft Packaging Hygiene Council's hygiene standards and received the Machinery Promotion Association Award. |
| 1993 |
Sapporo plant becomes a certified processing hygiene management standard factory of the Soft Packaging Hygiene Council; the heat pipe cooling device receives the Machine Promotion Association Award. |
| 1994 |
In 1994, the medical infusion barrier bag was launched. |
| 1994 |
Launch of medical infusion barrier bag. |
| 1995 |
In 1995, invested capital in Taiwan Alliance Packaging Company and launched the microwave film 'Range Do!'. |
| 1995 |
Capital participation in Taiwan Alliance Packaging Enterprise Co., Ltd.; launch of microwave film 'RangeDo!'. |
| 1996 |
In 1996, merged with Kaken Industrial and changed the company name to Sanei Kaken Co., Ltd., expanded new machinery at the Shizuoka, Fukui, and Nara factories, increased capital, and launched 'Soft Pouch'. |
| 1996 |
Merged with Kaken Industrial Co., Ltd. and changed the company name to Sanei Kaken Co., Ltd.; added new high-speed machines to Shizuoka, Fukui, and Nara plants; set capital to 1.29 billion yen; launch of spouted pouch 'Soft Pouch'. |
| 1998 |
In 1998, invested capital in Tōhō Resin Industrial and launched the custom surface protection film 'SAT', the clothing compression bag 'Ashukun', and the anti‑static laminate film 'Sun Earth Pouch'. |
| 1998 |
Capital participation in Toho Resin Industry Co., Ltd. : Launch of custom-made surface protection film 'SAT' : Launch of clothing compression bag 'Ashukun' : Launch of anti-static laminated film 'Sun Earth Pack' |
| 2000 |
In 2000, went public on the stock exchange, increased capital to 1.599 billion yen, and acquired 90% of Tōhō Resin Industrial's shares. |
| 2000 |
Public listing of shares : Capital set at 1.599 billion yen : Acquisition of 90% of issued shares of Toho Resin Industry Co., Ltd. |
| 2001 |
In 2001, obtained ISO 9001:2000 certification. |
| 2001 |
ISO 9001:2000 certification obtained |
| 2003 |
In 2003, launched the dampening material 'Sannage'. |
| 2003 |
Launch of dampening material 'Sannage' |
| 2004 |
In 2004, obtained ISO 14001:1996 certification. |
| 2004 |
ISO 14001:1996 certification obtained |
| 2005 |
In 2005, built the Kakegawa factory, increased capital to 2.176 billion yen, and launched the pharmaceutical packaging material 'Technifilm'. |
| 2005 |
Construction of Kakegawa plant : Capital set at 2.176 billion yen : Launch of pharmaceutical packaging material 'Technifilm' |
| 2006 |
In 2006, transitioned from ISO 14001:2004 to 2015 and moved headquarters to Nihonbashi‑Honcho, Chuo‑ku, Tokyo. |
| 2006 |
Transition to ISO 14001:2004 certification : Relocation of headquarters to Nihonbashi Motomachi, Chuo-ku, Tokyo |
| 2007 |
In 2007, started the second production line at the Kakegawa factory. |
| 2007 |
Second production line at Kakegawa plant becomes operational |
| 2008 |
In 2008, transitioned to ISO 9001:2008 and launched the heat‑resistant PET dome‑shaped molding container. |
| 2008 |
Transition to ISO 9001:2008 certification : Launch of 'Heat-resistant PET dome-shaped molded container' for prepared foods |
| 2009 |
In 2009, obtained ISO 14001:2004 certification at the Kakegawa factory. |
| 2009 |
ISO 14001:2004 certification obtained at Kakegawa plant |
| 2010 |
In 2010, opened a Taiwan representative office and launched new products such as 'SANCUARY'. |
| 2010 |
Establishment of Taiwan representative office : Launch of optical coreless tape 'SANCUARY' : Launch of electrical material engineering paper 'Adtera' : Launch of 'Range Do!' ST and separator types |
| 2011 |
In 2011, launched 'SaniTech NS', 'SUNMARY', and 'SANCWIN'. |
| 2011 |
Launch of separatorless surface protection film 'Sanitec NS' : Launch of micro-adhesive type protection film 'SUNMARY' : Launch of dust prevention film 'SANCWIN' |
| 2012 |
In 2012, closed the Taiwan representative office and opened a Taipei sales office, launching 'Strong Adhesive PAC' and 'AeroMat'. |
| 2012 |
Closure of Taiwan representative office and establishment of Taipei sales office |
| 2012 |
Launch of strong-adhesive type surface protection film 'Strong Adhesive PAC' |
| 2012 |
Launch of disaster prevention mat 'AeroMat' |
| 2013 |
In 2013, the Nara factory and Kansai branch obtained FSSC 22000 certification, established a joint venture, and launched 'Airless Fit'. |
| 2013 |
Nara plant and Kansai branch obtain FSSC 22000 certification |
| 2013 |
Establishment of joint venture 'Changding Electronic Materials (Suzhou) Co., Ltd.' |
| 2013 |
Launch of freshness-retaining bag 'Airless Fit' |
| 2014 |
In 2014, launched the food heating pack 'Steam Pack'. |
| 2014 |
Launch of food heating pack 'Steam Pack' |
| 2015 |
In 2015, established Canzakura (Shanghai) Trading Co., Ltd. |
| 2015 |
Establishment of 'Canzakura (Shanghai) Trading Co., Ltd.' |
| 2016 |
In 2016, the Shizuoka factory obtained FSSC 22000 certification, built the Kakegawa West plant, moved the research institute to Kakegawa City, and renamed it the R&D Center. |
| 2016 |
Shizuoka plant obtains FSSC 22000 certification |
| 2016 |
Construction of Kakegawa West plant |
| 2016 |
Relocated the research institute to Kakegawa City, Shizuoka Prefecture, and renamed it the R&D Center |
| 2018 |
In 2018, transitioned to ISO 9001:2015 and ISO 14001:2015, expanding the scope of facilities. |
| 2018 |
ISO 9001:2015 certification transition: Target facilities: Headquarters, Kansai branch, Nagoya sales office, R&D Center, Shizuoka plant, Fuei plant, Kakegawa plant, Nara plant |
| 2018 |
ISO 14001:2015 certification transition: Target facilities: Headquarters, Shizuoka plant, Fuei plant, Kakegawa plant, Nara plant, R&D Center |
| 2018 |
ISO 9001:2015 / ISO 14001:2015 certification obtained: Target facility: Kakegawa West plant |
| 2020 |
In 2020, the 'Pressure Steam Microwave Cooking Pouch – Steamy' won the Japan Packaging Contest award, and acquired a 51% stake in Shinomura Chemical Industries. |
| 2020 |
The 'Pressure Steam Microwave Cooking Pouch – Steamy' won the Technical Packaging Award at the 2020 Japan Packaging Contest |
| 2020 |
Acquired 51% of the issued shares of Shinomura Chemical Industries Co., Ltd. |
| 2021 |
In 2021, 'Steamy' received the World Star Award from the World Packaging Organization. |
| 2021 |
The 'Pressure Steam Microwave Cooking Pouch – Steamy' received the World Star Award at the World Star Contest 2021 organized by the World Packaging Organisation (WPO) |
