Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7273085 | Method of deoxidation casting and deoxidation casting machine | Koichi Ogiwara | 2007-09-25 |
| 7104309 | Method of deoxidation casting and deoxidation casting machine | Koichi Ogiwara, Sakuzo Nakatani, Akira Sunohara | 2006-09-12 |
| 6964293 | Method of casting and casting machine | Akira Sunohara, Yasuhiro Sasaki, Koichi Ogiwara, Sakuzo Nakatani | 2005-11-15 |
| 6932142 | Reduction casting method | — | 2005-08-23 |
| 6848496 | Casting method and casting apparatus | Akira Sunohara, Yasuhiro Sasaki, Koichi Ogiwara | 2005-02-01 |
| 6845808 | Reduction casting method | — | 2005-01-25 |
| 6805191 | Reduction casting method, reduction casting apparatus and molding die using same | Koichi Ogiwara, Akira Sunohara | 2004-10-19 |
| 6802359 | Reduction casting method | — | 2004-10-12 |
| 6752199 | Reduction casting method, reduction casting apparatus and molding die using same | Koichi Ogiwara, Akira Sunohara | 2004-06-22 |
| 6745816 | Method of casting and casting machine | Akira Sunohara, Yasuhiro Sasaki, Koichi Ogiwara, Sakuzo Nakatani | 2004-06-08 |
| 6745817 | Casting method and casting apparatus | Akira Sunohara, Yasuhiro Sasaki, Koichi Ogiwara | 2004-06-08 |
| 6725900 | Method of deoxidation casting and deoxidation casting machine | Koichi Ogiwara, Sakuzo Nakatani, Akira Sunohara | 2004-04-27 |
| 6722417 | Deoxidation casting, aluminium casting and casting machine | Koichi Ogiwara | 2004-04-20 |
| 5236052 | Method and an apparatus for controlling stress in a member and a fastener having stress indicating means | Masakazu Sato | 1993-08-17 |
| 4955121 | Method for producing a rocker arm for use in an internal combustion engine | Masakazu Sato, Seiichi Koike, Toshihiro Oikawa | 1990-09-11 |
| 4892130 | Method for making a reinforced article for an internal combustion engine | Akimasa Daimaru | 1990-01-09 |
| 4884621 | Hydraulic control method for implements | Masakazu Sato, Bakugo Fujito, Kousuke Kikuchi | 1989-12-05 |
| 4846252 | Secondary pressurization casting method | Masakazu Sato, Bakugo Fujito, Michio Konishi | 1989-07-11 |
| 4677901 | Fiber-reinforced piston for internal combustion engines and associated method of construction | Akimasa Daimaru | 1987-07-07 |
| 4606395 | Method of producing fiber-reinforced composite material | Akimasa Daimaru, Yasuo Muraoka, Noriaki Miyake | 1986-08-19 |
| 4566519 | Method of making a connecting rod | Yasuo Ohashi | 1986-01-28 |
| 4534400 | Method for making a reinforced article for an internal combustion engine | Akimasa Daimaru | 1985-08-13 |
| 4506721 | Method for production of fiber-reinforced composite material | Takeo Arai, Tatsuo Sakakibara, Noriaki Miyake | 1985-03-26 |
| 4498219 | Method of constructing a fiber-reinforced piston for internal combustion engines | Akimasa Daimaru | 1985-02-12 |
| 4391161 | Connecting rod of internal combustion engine | Takeo Arai | 1983-07-05 |