Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7678207 | Steel product for induction hardening, induction-hardened member using the same, and methods producing them | Yasuhiro Omori, Akihiro Matsuzaki, Takaaki Toyooka | 2010-03-16 |
| 6959894 | Impact resistant structure for the helicopter and energy absorber used for the same | — | 2005-11-01 |
| 6572716 | Fine ferrite-based structure steel production method | Shiro Torizuka, Kaneaki Tsuzaki, Kotobu Nagai, Osamu Umezawa | 2003-06-03 |
| 6162389 | High-strength and high-toughness non heat-treated steel having excellent machinability | Kazukuni Hase, Takashi Iwamoto, Yasuhiro Omori, Toshiyuki Hoshino, Keniti Amano +1 more | 2000-12-19 |
| 5989366 | Method of manufacturing thick steel product of high strength and high toughness having excellent weldability and minimal variation of structure and physical properties | Mitsuhiro Okatsu, Fumimaru Kawabata, Keniti Amano | 1999-11-23 |
| 5900076 | Bainitic steel materials having a less scattering of properties and method of producing the same | Keniti Amano, Mitsuhiro Okatsu, Kenji Oi, Fumimaru Kawabata, Tomoya Koseki +2 more | 1999-05-04 |
| 5766381 | Method of producing bainitic steel materials having a less scattering of properties | Keniti Amano, Mitsuhiro Okatsu, Kenji Oi, Fumimaru Kawabata, Tomoya Koseki +2 more | 1998-06-16 |
| 4903156 | Magnetic recording and/or reproducing apparatus having a head support mechanism for suppressing vibration of magnetic heads | Yoshiaki Sakai, Shinichi Aikawa, Hiroshi Matsunaga, Jun Makabe | 1990-02-20 |