Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662331 | Precombustion chamber construction of internal combustion engine | Takayuki Ogasawara, Shigeru Hanzawa | 1987-05-05 |
| 4651692 | Structure of divided combustion chamber for diesel engine | Tetuya Morita, Akinori Wakasa, Takayuki Ogasawara | 1987-03-24 |
| 4642210 | Rotary cordierite heat regenerator highly gas-tight and method of producing the same | Shunichi Yamada, Toshiyuki Hamanaka | 1987-02-10 |
| 4638683 | Camshaft for engine | Takayuki Ogasawara, Yoshiaki Hori | 1987-01-27 |
| 4627295 | Vortex flow meter | Naoki Matsubara, Hideo Numata | 1986-12-09 |
| 4616611 | Precombustion chamber construction of internal combustion engine | Takayuki Ogasawara, Shigeru Hanzawa | 1986-10-14 |
| 4577600 | Structure of divided combustion chamber for diesel engine | Tetuya Morita, Akinori Wakasa, Takayuki Ogasawara | 1986-03-25 |
| 4578158 | Process for electroplating a metallic material with an iron-zinc alloy | Tatsuya Kanamaru, Motohiro Nakayama, Katutoshi Arai | 1986-03-25 |
| 4568402 | Method of sealing open ends of ceramic honeycomb structural body | Shunichi Yamada, Toshiyuki Hamanaka | 1986-02-04 |
| 4563414 | Method of producing a mask to be used for the production of a ceramic filter | Shoji Asai, Masashi Otaka | 1986-01-07 |
| 4559193 | Method of sealing open ends of ceramic honeycomb structural body | Shunichi Yamada, Toshiyuki Hamanaka | 1985-12-17 |
| 4522668 | Method of producing ceramic filter | Tsunezo Takeuchi, Masashi Otaka | 1985-06-11 |
| 4510209 | Two layer-coated steel materials and process for producing the same | Takashi Hada, Tatsuya Kanamaru | 1985-04-09 |
| 4489774 | Rotary cordierite heat regenerator highly gas-tight and method of producing the same | Shunichi Yamada, Toshiyuki Hamanaka | 1984-12-25 |
| 4455336 | Ceramic honeycomb structural bodies | Seiichi Asami | 1984-06-19 |
| 4279849 | Method for producing cordierite ceramic honeycomb structural bodies | Toshio Takehara, Seiichi Asami | 1981-07-21 |