Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12358563 | Automotive crashworthiness energy absorptive part | Kazuhiko Higai, Yoshikiyo Tamai, Shigeaki Kitamura, Naoki Mabuchi | 2025-07-15 |
| 12305246 | Needle-peening method | Naoki Yamaguchi | 2025-05-20 |
| 12307170 | Vibration noise reduction analysis method and analyzer for automotive panel parts | Koichi Nakagawa, Takanobu Saito | 2025-05-20 |
| 12054113 | Automotive crashworthiness energy absorption part and method for manufacturing the same | Kazuhiko Higai, Yoshikiyo Tamai | 2024-08-06 |
| 11993311 | Automotive crashworthiness energy absorptive part and method for manufacturing same | Kazuhiko Higai, Yoshikiyo Tamai | 2024-05-28 |
| 11975762 | Crashworthiness energy absorption parts for automotive | Kazuhiko Higai, Yoshikiyo Tamai, Shigeaki Kitamura, Naoki Mabuchi | 2024-05-07 |
| 11975764 | Automotive frame part | Kazuhiko Higai | 2024-05-07 |
| 11946828 | Side crash test apparatus and side crash test condition determination method for center pillar of automobile | Hideaki Kobiki, Kentaro Sato | 2024-04-02 |
| 11633811 | Method of peening lap fillet welded joint and welded structures | Naoki Yamaguchi | 2023-04-25 |
| 10933494 | Lap-fillet arc welding joint and joint structure for press forming parts | Yuichi Tokita, Yoshikiyo Tamai | 2021-03-02 |
| 10639695 | Press forming method, method for manufacturing press-formed component and method for determining preform shape used in these methods | Toyohisa Shinmiya, Eiji Iizuka, Yuji Yamasaki | 2020-05-05 |
| 10590974 | Lap fillet arc-welded joint | Yuichi Tokita, Yoshikiyo Tamai | 2020-03-17 |
| 9914163 | Method of sheet forming | Yoshikiyo Tamai, Toyohisa Shinmiya, Shunsuke Tobita | 2018-03-13 |
| 6666932 | High strength hot rolled steel sheet | Yoshimasa Funakawa, Kunikazu Tomita, Takanobu Saito, Hiroshi Nakata, Kaoru Sato +4 more | 2003-12-23 |
| 6140601 | Laser-welded steel pipe and method therefor | Moriaki Ono, Masanori Ohmura, Yutaka Nagahama, Akio Sato, Kenichi Iwazaki +1 more | 2000-10-31 |
| 5961748 | Laser-welded steel pipe | Moriaki Ono, Masanori Ohmura, Yutaka Nagahama, Akio Sato, Kenichi Iwazaki +1 more | 1999-10-05 |
| 5900079 | Method for producing a steel pipe using a high density energy beam | Moriaki Ono | 1999-05-04 |