Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597926 | Method of manufacturing radial flow turbine rotor | Akio Ando, Toshihiko Ochiai, Masae Nakanishi, Shozo KAWASAKI | 1986-07-01 |
| 4423303 | Apparatus for treating powdery materials utilizing microwave plasma | Masahiko Hirose | 1983-12-27 |
| 4419971 | Cylinder liner for an internal combustion engine | Kiyoshi Nakamura, Toshihiko Ochiai, Akio Ando, Syoji Okada | 1983-12-13 |
| 4414190 | Method of preparing silicon nitride | Motoo Seimiya | 1983-11-08 |
| 4385866 | Curved blade rotor for a turbo supercharger | Toshihiko Ochiai, Kiyoshi Nakamura, Masato Sakai | 1983-05-31 |
| 4359022 | Valve for an internal combustion engine | Kiyoshi Nakamura, Masae Nakanishi, Syozo Kawasaki, Toshihiko Ochiai | 1982-11-16 |
| 4341874 | Si.sub.3 N.sub.4 Ceramic powder material and method for manufacturing the same | Michiyasu Komatsu, Tadashi Miyano | 1982-07-27 |
| 4332909 | Silicon nitride based sintered product and method of producing the same | Toshihiko Ochiai | 1982-06-01 |
| 4325334 | Prechamber cup for an internal combustion engine | Syoji Okada, Akio Ando, Masato Sakai | 1982-04-20 |
| 4296065 | Method of producing highly densified ceramic articles | Takashi Ishii, Michiyasu Komatsu, Akihiko Tsuge | 1981-10-20 |
| 4284432 | Ceramic powder material and method for manufacturing the same | Michiyasu Komatsu, Tadashi Miyano | 1981-08-18 |
| 4280989 | Method of preparing silicon nitride | Motoo Seimiya | 1981-07-28 |