Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017172 | Ceramic insert for use with clamp type cutting tool | Harutoshi Ukegawa, Shingo Hirota, Nobuyuki Kitagawa | 2000-01-25 |
| 5776600 | Slide member and method of manufacturing the same | Tetsuya Katayama, Kaoru Murabe, Osamu Komura, Chihiro Kawai, Akira Yamakawa +3 more | 1998-07-07 |
| 5738820 | Sintered silicon nitride-based body and process for producing the same | Harutoshi Ukegawa | 1998-04-14 |
| 5675201 | Composite bearing structure | Osamu Komura, Tetsuya Katayama, Akira Yamakawa, Kenji Matsunuma, Norio Yasuoka +1 more | 1997-10-07 |
| 5631200 | Sintered silicon nitride-based body | Harutoshi Ukegawa | 1997-05-20 |
| 5582215 | Ceramic die for cutting and shaping lead frames and method of cleaning the same | Takehisa Yamamoto, Takao Nishioka, Akira Yamakawa | 1996-12-10 |
| 5543371 | Slide member and method of manufacturing the same | Tetsuya Katayama, Kaoru Murabe, Osamu Komura, Chihiro Kawai, Akira Yamakawa +3 more | 1996-08-06 |
| 5516269 | Zirconia vane for rotary compressors | Takao Nishioka, Akira Yamakawa, Harutoshi Ukegawa | 1996-05-14 |
| 5328876 | High strength silicon nitride sintered body and process for producing same | Takao Nishioka, Akira Kuibira, Kenji Matsunuma, Yoshishige Takano, Masaaki Honda +1 more | 1994-07-12 |
| 5280208 | Composite bearing structure | Osamu Komura, Kenji Matsunuma, Norio Yasuoka, Masaya Miyake, Tetsuya Katayama +1 more | 1994-01-18 |
| 5234642 | High strength silicon nitride sintered body and process for producing same | Takao Nishioka, Akira Kuibira, Kenji Matsunuma, Yoshishige Takano, Masaaki Honda +1 more | 1993-08-10 |
| 5225127 | Process for production of sintered silicon nitride made article | Takao Nishioka, Yoshishige Takano, Kenji Matsunuma, Masaya Miyake | 1993-07-06 |
| 4777822 | Method of hot rolling copper | Ikuji Uemura, Fumio Ono, Eiji Kamijo, Tatsuya Nishimoto | 1988-10-18 |
| 4756180 | Method of hot rolling for iron and iron alloy rods | Tatsuya Nishimoto, Eiji Kamijo, Fumio Ono, Ikuji Uemura | 1988-07-12 |
| 4753764 | Manufacturing method for fiber reinforced silicon ceramics sintered body | Eiji Kamijo, Osamu Komura | 1988-06-28 |
| 4702869 | Process for the production of ceramics | Osamu Komura, Eiji Kamijo | 1987-10-27 |
| 4659508 | Electrically-conductive sintered compact of silicon nitride machinable by electrical discharge machining and process of producing the same | Masaya Miyake, Hisao Takeuchi, Eiji Kamijo | 1987-04-21 |
| 4628178 | Tool for warm and hot forgings and process for manufacturing the same | Masaya Miyake, Yasuhiro Saito | 1986-12-09 |
| 4556416 | Process and apparatus for manufacturing fine powder | Eiji Kamijo | 1985-12-03 |