Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996471 | Aluminum alloy for internal-combustion piston, and aluminum alloy piston | Tomohiro Aikawa, Soichi Hara | 1999-12-07 |
| 5981416 | Titanium nitride aluminum based sintered material and its production method | Shoichi Kume, Kazutaka Suzuki, Yoshinori Nishida, Haruo Yoshida, Yasuhiro Enya +1 more | 1999-11-09 |
| 5948716 | Cubic boron nitride based sintered material and its producing method | Shoichi Kume, Kazutaka Suzuki, Yoshinori Nishida, Haruo Yoshida, Yasuhiro Enya +1 more | 1999-09-07 |
| 5427138 | Valve apparatus for prevention of shocking torque in clutch mechanism | Chiaki Ochiai | 1995-06-27 |
| 5273099 | Composite aluminum member joining process | Katumi Takagi | 1993-12-28 |