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§05
Network
NETWORK
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§06
History
97 EVENTS
Establishment of Union Chemical Research Institute Co., Ltd.
Established: Showa 35 (1960)
New construction of head office building
Renamed to UNION TOOL Co., Ltd.
Dedicated factory for cross roller guides
Established the old Nagaoka factory as a dedicated factory for cross roller guides
New and relocated Nagaoka First Factory
Expansion of Nagaoka First Factory
Establishment of the U.S. subsidiary MEGATOOL INC.
Established Osaka Sales Office
Expansion of head office building and opening of Nagaoka Sales Office
New Nagaoka Second Factory, establishment of Taiwan local subsidiary TAIWAN UNION TOOL CORP.
New Nagaoka Second Factory
Established Taiwan local subsidiary TAIWAN UNION TOOL CORP.
Establishment of UNION TOOL EUROPE S.A.
Established European local subsidiary UNION TOOL EUROPE S.A.
Established Atsugi Sales Office and new heat treatment building at Nagaoka Factory
Listed on the over-the-counter market of the Japan Securities Dealers Association
New and relocated Tokyo Factory
New Nagaoka Third Factory
Nagoya Sales Office Opening
Establishment of UNION TOOL (SHANGHAI) CO., LTD.
Establishment of the China subsidiary UNION TOOL(SHANGHAI) CO.,LTD.
Listed on the Tokyo Stock Exchange Second Section
Head Office Relocation
Mishima Research Institute Opening
New Nagaoka Fourth Factory, establishment of UNION TOOL HONG KONG LTD.
Nagaoka Fourth Factory New Construction
Establishment of Hong Kong Local Subsidiary UNION TOOL HONG KONG LTD.
Listed on the Tokyo Stock Exchange First Section
Establishment of UNION TOOL SINGAPORE PTE LTD., establishment of UNION TOOL UK LIMITED, acquisition of ISO14001 certification
Singapore Local Subsidiary UNION TOOL SINGAPORE PTE LTD.
Establishment of the UK subsidiary UNION TOOL UK LIMITED
Acquisition of ISO 14001 Environmental Management System Certification
Nagaoka Fifth Factory New Construction
Establishment of DONGGUAN UNION TOOL CORP.
Establishment of the China subsidiary DONGGUAN UNION TOOL CORP.
Establishment of UNION TOOL (WAIGAOQIAO SHANGHAI) CO., LTD.
Establishment of the China (Shanghai Waigaoqiao) local subsidiary UNION TOOL (WAIGAOQIAO SHANGHAI) CO., LTD.
New technical center, renamed from MEGATOOL INC. to U.S. UNION TOOL, INC.
Technical Center New Construction
U.S. Local Subsidiary renamed from MEGATOOL INC. to U.S. UNION TOOL, INC.
Anjo Sales Office and Hiroshima Sales Office Opening
Mitsuke Factory Opening
Kita-Kanto Sales Office Opening
Established a local subsidiary in Singapore and an office in Thailand, and expanded the third factory of Taiwan Union Tool Corp.
Establishment of Singapore Local Subsidiary's Representative Office in Thailand
Taiwan Local Subsidiary TAIWAN UNION TOOL CORP. Third Factory Expansion
Relocation of U.S. UNION TOOL, INC.
Relocation of U.S. UNION TOOL, INC.
New Construction of Headquarters Building
Relocation of DONGGUAN UNION TOOL CORP.
Relocation of DONGGUAN UNION TOOL CORP.
New construction of Mitsuke Second Factory
Opened a regional open-type business in-house nursery school "Union no Mori Nanyō Nursery School" and established a local subsidiary in Thailand, UNION TOOL (THAILAND) CO., LTD.
Open a regional open-type business on-site nursery school "Union no Mori Nanyo Nursery School"
Establishment of the local subsidiary UNION TOOL (THAILAND) CO., LTD. in Thailand
P Series Drills for Ultra-precision Micro-hole Processing
UTSCOAT End Mill Series for Stainless Steel Processing
HMGCOAT End Mill Series for High Hardness Material Processing
Monitoring Radar
DLC COAT End Mill Series for Copper Electrode Processing
UDC COAT H Series End Mill for Cemented Carbide and Brittle Material Processing
ø3mm Shank End Mill V Series
High-efficiency Finishing End Mill Series
Transition to the Tokyo Stock Exchange "Prime Market" and relocation of UNION TOOL SINGAPORE PTE LTD.
Transition to the new market classification "Prime Market" of the Tokyo Stock Exchange
Relocation of UNION TOOL SINGAPORE PTE LTD.
Mirror Surface Processing End Mill CBN-PLB
HMWCOAT End Mill for High Hardness Material Processing HWLB
Establishment of Shizuoka Sales Office
UTWCOAT End Mill for Raw Material to 40HRC Processing CWLB
New construction of Mitsuke Third Factory
Road Surface Condition Measurement Vehicle
§07
News
17 ARTICLES
Nikkei & TSE IR Fair 2026 Participation
Union Tool will participate in the Nikkei & TSE IR Fair 2026, introducing growth driven by demand related to generative AI and future initiatives. The event will be held at Tokyo Big Sight on August 28 and 29, 2026, with President Yuji Watanabe taking the stage.
Union Tool's New Coronavirus Response Measures
The company has implemented measures for infection prevention and health management at all domestic bases, and shipments are proceeding as usual.
Union Tool's COVID-19 Response Status and Continuation Measures
The company has returned to normal work since June 19, and continues to implement staggered working hours and web meetings to prevent the spread of infection, thoroughly practicing hand washing and mask-wearing.
Notice of suspension of toll-free dial response due to factory closure
Due to the closure of the Nagaoka and Mitsuke factories on October 19, inquiries via toll-free dial will be suspended and are scheduled to resume the following day.
Regarding Union Tool's Response to the Novel Coronavirus (Updated January 15)
The company has strengthened infection prevention measures and is promoting telecommuting in response to the state of emergency.
Regarding Union Tool's Response to COVID-19 (Updated March 22)
The company continues infection prevention measures and recommends working from home even after the state of emergency is lifted.
Regarding Union Tool's Response to the New Coronavirus (Updated July 16, 2026)
The company is implementing remote work and changing communication methods to prevent the spread of infection, and is seeking understanding from those involved.
Regarding Union Tool's Response to the Novel Coronavirus (Updated April 28)
In response to the Tokyo Metropolitan Government's state of emergency declaration, we will continue infection prevention measures for the time being and recommend telecommuting.
Regarding Union Tool's Response to COVID-19 (Updated July 21)
The company continues efforts to prevent infection and recommends telecommuting and email communication.
Regarding Union Tool's New Coronavirus Response (Updated September 7)
The company continues efforts such as workplace vaccination to prevent the spread of infection, and recommends contacting remote workers via email.
§08
Public records
GOV
National Tax Agency basic information5010701010077
Source: National Tax Agency Corporate Number Publication Site, basic three items
Trade name
ユニオンツール株式会社
Trade name (kana)
ユニオンツール
Name in English
UNION TOOL CO.
Corporation type
301
Address
〒140-0013 東京都品川区南大井6丁目17番1号
Postal code
1400013
Prefecture code
13
City code
109
Address outside Japan
Prefecture in English
Tokyo
City in English
6-17-1 Minami-Ohi, Shinagawa ku
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2023-03-23
Change date
2015-10-05
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
01
Correction type
1
Trade name image ID
Address image ID
Sequence number
1920133
METI gBizINFO5010701010077
Source: gBizINFO (Ministry of Economy, Trade and Industry)