Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10005975 | Fuel separation method | Takanori Ueda, Randall D. Partridge, Robert P. Lucchesi, Paul Oakley Johnson, George L. Kellogg | 2018-06-26 |
| 8051828 | Multiple fuel system for internal combustion engines | Bhaskar Sengupta, Krishnan Kumaran, Walter Weissman, Randall D. Partridge, Kouseki Sugiyama +2 more | 2011-11-08 |
| 7621318 | Heat pipe structure | Ramesh Gupta | 2009-11-24 |
| 7107942 | Fuel composition supply means for spark ignition engines | Walter Weissman, Randall D. Partridge, Bhupender S. Minhas, Guido Sartori, Takanori Ueda +2 more | 2006-09-19 |
| 7028652 | Device for controlling an internal combustion engine with a variable valve timing system | Shigeo Kikori, Kazuhiko Shiratani, Shouji Katsumata, Keiji Yoeda, Makoto Ogiso +2 more | 2006-04-18 |
| 6972093 | Onboard fuel separation apparatus for an automobile | Randall D. Partridge, Walter Weissman, Takanori Ueda | 2005-12-06 |
| 6729126 | Internal combustion engine having variable valve control system and NOx catalyst | Makoto Ogiso, Shouji Katsumata, Kazuhiko Shiratani, Keiji Yoeda, Hideyuki Nishida +3 more | 2004-05-04 |
| 6711893 | Fuel supply apparatus for an internal combustion engine | Takanori Ueda, Takeshi Okumura, Kazuhiro Akihama, Masahiro Taki, Satoshi Yamazaki +2 more | 2004-03-30 |
| 6622663 | Fuel composition supply means for driving cycle conditions in spark ignition engines | Walter Weissman, Randall D. Partridge, Bhupender S. Minhas, Guido Sartori, Takanori Ueda +2 more | 2003-09-23 |
| 6519933 | Internal combustion engine having variable valve control system and NOx catalyst | Makoto Ogiso, Shouji Katsumata, Kazuhiko Shiratani, Keiji Yoeda, Hideyuki Nishida +3 more | 2003-02-18 |
| 6405693 | Internal combustion engine and method for controlling valve of internal combustion engine | Keiji Yoeda, Kiyoshi Nakanishi, Kazuhiko Shiratani, Shouji Katsumata, Makoto Ogiso +4 more | 2002-06-18 |
| 6354563 | Electromagnetic drive valve and method for controlling same | Keiji Yoeda, Isao Matsumoto | 2002-03-12 |
| 6354253 | Solenoid valve device | Shouji Katsumata, Isao Matsumoto, Masaaki Tanaka, Keiji Yoeda, Hideyuki Nishida | 2002-03-12 |
| 5469818 | Variable valve timing control device for an engine | Mamoru Yoshioka, Haruyuki Obata, Ken Tanoue, Toshimi Kashiwagura, Makoto Suzuki +2 more | 1995-11-28 |
| 5371412 | Control method and apparatus of engine for driving generator | Hirohumi Kubota, Shouji Katsumata, Takeshi Kotani | 1994-12-06 |
| 5134850 | Exhaust system of an internal combustion engine | Yoshiharu Saito | 1992-08-04 |
| 4748950 | Internal combustion engine siamese port type intake system construction with internal ridge structure partially separating helical port and bypass passage | Takeshi Okumura, Takehisa Yaegashi | 1988-06-07 |
| 4730579 | Internal combustion engine cylinder head with port coolant passage independent of and substantially wider than combustion chamber coolant passage | Toshio Yamada, Mutsumi Kanda, Takeshi Okumura | 1988-03-15 |
| 4700665 | Cylinder head with coolant passage passing around outside of cylinder head fixing bolt boss and directing coolant flow toward squish area cooling passage portion | Mutsumi Kanda, Takeshi Okumura | 1987-10-20 |
| 4671233 | Cylinder head variable swirl siamese type intake port structure including biasing means diverting mixture flow towards diverting means which bypasses straight intake passage control valve | Takeshi Okumura | 1987-06-09 |
| 4669434 | Internal combustion engine cylinder head variable swirl siamese type intake port structure, with auxiliary straight passage, pointing at spark plug, leading from mixture intake to downstream end of straight intake port | Takeshi Okumura | 1987-06-02 |
| 4308829 | Vane in the inlet passage of an internal combustion engine | Norimasa Yamada, Masanori Okada, Yoshihiro Kanome | 1982-01-05 |
| 4308830 | Vane in the inlet passage of an internal combustion engine | Norimasa Yamada, Masanori Okada, Yoshihiro Kanome | 1982-01-05 |