- Company Name
- JOINT KOGYO CO., LTD.
- Established
- August 1979 (April 1947 as Kokaji Kikai Seisakusho)
- Representative Director
- Shohei Kojima
- Capital
- ¥10,000,000
- Number of Employees
- 38 (as of July 2026)
- Business Activities
- Manufacture of civil engineering and construction hardware / Electric welding
- Locations
-
[Head Office]
Asahi Building 5F & 6F, 2-31-3 Taito, Taito-ku, Tokyo 110-0016View on Google Maps
[Noda Plant]
3-23-11 Namiki, Noda City, Chiba 270-0229View on Google Maps
- Company Name
- enjoint Inc.
- Established
- October 2025
- Representative Director
- Terumi Saruwatari
- Number of Employees
- 8 (as of July 2026)
- Business Activities
- Franchise business (photo studio operations)
- Locations
-
Chiba Sakuragi STUDIO
2133-2 Wakamatsu-cho, Wakaba-ku, Chiba City, Chiba 265-0063View on Google Maps
- Company Name
- Sun Joint Co., Ltd.
- Established
- December 2025
- Representative Director
- Shohei Kojima
- Capital
- ¥10,000,000
- Number of Employees
- 20 (as of July 2026)
- Business Activities
- Group home operation
- Locations
-
1-2-4 Hanai, Noda City, Chiba 278-0026
View on Google Maps
- Company Name
- Kyufu Ltd.
- 新事業開始
- 2025年6月
- Representative Director
- Yuta Goto
- Capital
- ¥8,000,000
- Business Activities
- AI training
- Locations
-
Asahi Building 5F & 6F, 2-31-3 Taito, Taito-ku, Tokyo 110-0016
View on Google Maps



