| 1874 |
Founder Mitsuki Ohashi (formerly Moriaki) was born in Goshō Village, Jōsai District, Hyōgo Prefecture. |
| 1895 |
The predecessor of the current Tokyo Ink Co., Ltd. was established by Mr. Daibashi Saha as the meat grinding department of the Hakubunkan Printing Office. |
| 1895 |
The predecessor of the current Tokyo Ink Co., Ltd. was established as the meat grinding department of the Hobunkan Printing Office, founded by Mr. Ohashi Saha. |
| 1905 |
Founded the joint-stock company Hobunkan Printing Office. |
| 1906 |
Mitsuki Ohashi founded Seibidō and became its president. |
| 1916 |
Mitsuyoshi Ohashi separated the Seibido meat processing department and established the joint-stock company Nihon Yusui Kogyojo to produce printing ink from oils and fats. |
| 1916-05 |
Established in Sumida, Toshima-ku, Tokyo, under the name of the joint-stock company Japan Oil & Fat Industrial Works, with a capital of 50,000 yen, for the purpose of manufacturing printing ink from oils. |
| 1923 |
Established by Mitsuki Ohashi, the Japan Oil and Fat Industry Factory, the predecessor of Tokyo Ink. |
| 1923 |
Founder Mitsuki Ohashi (formerly Moriaki) was born in Goshō Village, Jōsai District, Hyōgo Prefecture. |
| 1923 |
Mitsuki Ohashi founded the Japan Postcard Association and launched 'Hagaki Literature'. |
| 1923 |
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| 1923 |
Mitsuki Ohashi founded Seibidō and became its president. |
| 1923 |
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| 1923 |
Following the Great Kanto Earthquake, reorganized the Japan Oil and Fat Industry Factory and established Tokyo Ink. |
| 1923 |
Established Kyōshō Co., Ltd. as a sales agent for printing inks and printing machinery. |
| 1923 |
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| 1923 |
Great Kanto Earthquake |
| 1923 |
Inheriting all operations of Nihon Yusui Kogyojo, Tokyo Ink Co., Ltd. was founded in present-day Minami-Otsuka (Sugamo), Toshima Ward. |
| 1923-12 |
Established Tokyo Ink Co., Ltd. with a capital of 500,000 yen, inheriting all operations of the joint-stock company Japan Oil & Fat Industrial Works. |
| 1928 |
A Tabata branch factory was established in present-day Tabata Shinmachi, Kita Ward. |
| 1928-10 |
Established the Tabata branch factory in Tabata Shinmachi, Kita-ku, Tokyo. |
| 1929 |
Opening of the Osaka branch office. |
| 1930 |
A gravure factory was newly established within the Tabata branch factory. |
| 1937-05 |
Moved the headquarters from Sumida, Toshima-ku, Tokyo to Tabata Shinmachi, Kita-ku, Tokyo, converted the Sumida factory into a pigment factory, and increased capital to 1,000,000 yen. |
| 1945-04 |
Both the headquarters factory and the Sumida factory were destroyed by wartime disaster, but were quickly rebuilt, and operations resumed in September of the same year. |
| 1946-05 |
Established a pigment factory in Saitama City, Saitama Prefecture, and began in-house production of general pigments. |
| 1952 |
Established agents in Thailand, Indonesia, Singapore, Taiwan, and Burma. |
| 1953 |
Ventured into the chemical products business. |
| 1954 |
Opened branch offices in Nagoya, Hokkaido, and Kyushu. |
| 1955 |
Commenced production of master batches. |
| 1957 |
Hideo Morigaki became the third president. |
| 1958 |
Constructed a chemical products factory on the adjacent site of the Omiya pigment factory and established Tokyo Polymer Co., Ltd. |
| 1958-03 |
Established a chemical product factory adjacent to the pigment factory in Saitama City, Saitama Prefecture. |
| 1961-10 |
Listed on the Second Section of the Tokyo Stock Exchange. |
| 1963-07 |
Established the Yoshinohara factory in Saitama City, Saitama Prefecture. |
| 1965 |
Relocated the master batch factory from Omiya to Yoshinogawa. |
| 1965-11 |
Established a chemical product factory at the Yoshinohara factory. |
| 1968 |
Established a new Osaka factory in Hirakata City, Osaka Prefecture. |
| 1968-10 |
Established the Osaka factory in Hirakata City, Osaka Prefecture. |
| 1970 |
Established a master batch factory at the Yoshinogawa plant. |
| 1973-01 |
Added real estate sales and leasing to the business objectives. |
| 1973 |
Held a ceremony to commemorate the 50th anniversary of Tokyo Ink's founding. |
| 1973 |
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| 1973 |
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| 1973 |
Held a 50th anniversary celebration ceremony. |
| 1980-09 |
Exported flat-plate ink technology to the United Kingdom and the Republic of China. |
| 1981-12 |
Capital increased to 931,712,500 yen. |
| 1986 |
Jun'ō Ohashi became the fifth president, established the Hanyū factory in Hanyū City, Saitama Prefecture, and renamed Tokyo Polymer Co., Ltd. to Mitsui Ishika Sangyo Co., Ltd. |
| 1986-02 |
Established the Hanyu plant in Hanyu City, Saitama Prefecture. |
| 1987 |
Established Tokyo Ink Co., Ltd. USA and founded To-In Processing Co., Ltd. in Tochi City, Miyazaki Prefecture. |
| 1987-02 |
Established the local subsidiary Tokyo Ink Co., Ltd. U.S.A. (now a consolidated subsidiary) in California, United States. |
| 1987-06 |
Capital increased to 1,551,125,000 yen. |
| 1989-10 |
Established a printing ink factory at the Hanyu plant. |
| 1989-12 |
Capital increased to 3,461,225,000 yen. |
| 1991-03 |
Established the Toki plant in Toki City, Gifu Prefecture. |
| 1991-12 |
Established To-In Processing Co., Ltd. (now a consolidated subsidiary) in Miyazaki City, Miyazaki Prefecture. |
| 1992 |
Reorganized the ink business, converting the Osaka factory into a compound-only plant, and opened a Fukuoka factory in Ōki Town, Fukuoka Prefecture. |
| 1995 |
Converted the cooperative factory into a 100% subsidiary and changed the company name to Kansai To-In Tech Co., Ltd. |
| 1996 |
Established a new Yoshikawa factory in Yoshikawa City, Saitama Prefecture. |
| 1997 |
Exported gravure ink technology to the Philippines. |
| 1999 |
Re-established Tokyo Polymer Co., Ltd. as a 100% subsidiary. |
| 1999-10 |
Acquired Hayashi Ink Manufacturing Co., Ltd. (now a consolidated subsidiary) in Adachi-ku, Tokyo. |
| 2000 |
Established in Tōjō City, Miyazaki Prefecture. The photo shows the new factory completed in 2021. |
| 2000-07 |
Established Tokyo Polymer Co., Ltd. (now a non-consolidated subsidiary) in Kita-ku, Tokyo. |
| 2003 |
Made HiNix Co., Ltd. a 100% subsidiary. |
| 2005 |
Moved the flat ink technology department from Tabata to Hanyū. |
| 2006 |
Established a local subsidiary, Tokyo Ink Trade (Shanghai) Co., Ltd., in Shanghai, and built a new headquarters building at the Yoshinohara factory. |
| 2006-02 |
Established the local subsidiary Tokyo Ink Trade (Shanghai) Co., Ltd. (now a consolidated subsidiary) in Shanghai, China. |
| 2008 |
Re-established by making Tokyo Polymer Co., Ltd. a 100% subsidiary. |
| 2008 |
Acquired a single-axis stretch film business from another company, consolidated Toyo Seiki Resin Processing Co., Ltd. as a subsidiary, dissolved Kansai To Intech Co., Ltd., sold all shares of HiNix Co., Ltd., established a local subsidiary, Tokyo Ink (Thailand) Co., Ltd., in Bangkok, Thailand, sold the former Tabata factory site, and completed the second plant at the Toki factory. |
| 2008-04 |
Acquired the uniaxial stretch film business from Mitsui Chemicals Fabro Co., Ltd. |
| 2010-01 |
Established the local subsidiary Tokyo Ink (Thailand) Co., Ltd. (now a consolidated subsidiary) in Bangkok, Thailand. |
| 2010 |
Established Tokyo Ink Trade (Shanghai) Co., Ltd. in Shanghai, China. |
| 2010 |
Established Tokyo Ink (Thailand) Co., Ltd. in Bangkok, Thailand. |
| 2010-03 |
Moved headquarters from Tabata Shinmachi, Kita-ku, Tokyo to Oji, Kita-ku, Tokyo. |
| 2010-07 |
Acquired real estate in Yoshiomi Town, Hikawa District, Saitama Prefecture. |
| 2010-10 |
The Toki Second Plant (clean plant) in Toki City, Gifu Prefecture began operation. |
| 2015-01 |
The factory of Tokyo Ink (Thailand) Co., Ltd. (now a consolidated subsidiary), the first overseas production base, began operation. |
| 2015 |
Established a logo mark, and the Tokyo Ink (Thailand) Co., Ltd. factory began operation. |
| 2016 |
Formulated the mid-term management plan 'TOKYOink2020' and revised the corporate philosophy and desired corporate image. |
| 2019 |
Made Hayashi Chemical Industry Co., Ltd. a non-consolidated subsidiary. |
| 2019-09 |
Acquired the Netrone business from Tokyo Polymer Co., Ltd. (now a non-consolidated subsidiary). |
| 2019-10 |
Acquired Hayashi Chemical Industries Co., Ltd. in Noda City, Chiba Prefecture (now a consolidated subsidiary). |
| 2020-02 |
Sold real estate in Yoshimi Town, Hiki District, Saitama Prefecture. |
| 2020-12-10 |
Tokyo Ink celebrated its 100th anniversary of establishment. |
| 2021-01 |
Acquired Arakawa Coatings Industries Co., Ltd. in Kazo City, Saitama Prefecture (now a consolidated subsidiary; current headquarters located in Kita-ku, Tokyo). |
| 2022-04 |
Moved from the Second Section of the Tokyo Stock Exchange to the Standard Market following a review of market classifications by the Tokyo Stock Exchange. |
| 2023-12-10 |
Tokyo Ink celebrated its 100th anniversary. |
