Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11819964 | Nut and bolt tightening method and tightening device | Kyoichi Komatsu, Seiji Ito, Shinji Hashimura | 2023-11-21 |
| 11772213 | Tightening device | Kyoichi Komatsu, Seiji Ito | 2023-10-03 |
| 11660713 | Fastening device | Kyoichi Komatsu, Seiji Ito | 2023-05-30 |
| 11364580 | Fastening device | Kyoichi Komatsu, Seiji Ito | 2022-06-21 |
| 9956673 | Tightening tool | Tetsuya Yokoyama, Yasuhiro Yamamoto, Satoshi Takaku | 2018-05-01 |
| 9021921 | Torque wrench | Koichi Shimura, Yuji Kato, Shozo Aikawa, Hiroshi Tsuji | 2015-05-05 |
| 8443702 | Torque wrench | Kyo Kan, Shozo Aikawa, Naoya Masuda, Hiroshi Tsuji | 2013-05-21 |
| 7044475 | Cover-integrated gasket | Yasushi Imai, Tadashi Utsunomiya, Shosan Shibata, Tatsuhiko Hosokawa, Naruhiko Mashita +1 more | 2006-05-16 |
| 4493360 | Apparatus for rotary casting ingots | Hiroyuki Takahashi | 1985-01-15 |