Issued Patents All Time
Showing 26–50 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982716 | Fuel injection valve with an air assist adapter for an internal combustion engine | Keiso Takeda, Taiyo Kawai, Michiaki Ujihashi, Yuichi Takano | 1991-01-08 |
| 4964271 | Air-fuel ratio feedback control system including at least downstream-side air-fuel ratio sensor | Hiroshi Sawada, Tatehito Ueda, Takayuki Demura | 1990-10-23 |
| 4925110 | Fuel injection valve for an internal combustion engine having a pillar opposing a fuel injection hole | Keiso Takeda, Taiyo Kawai, Rio Shimizu | 1990-05-15 |
| 4840740 | Grease for homokinetic joint | Tasuku Sato, Yoshikazu Fukumura, Keizo Nagasawa | 1989-06-20 |
| 4694794 | Method and device for control of internal combustion engine variable swirl air fuel intake system with direct helical intake passage | Kenji Kato, Soichi Matsushita | 1987-09-22 |
| 4682577 | Method and apparatus for reducing NOx in internal combustion engine | Kenji Kato, Tokuta Inoue, Soichi Matsushita | 1987-07-28 |
| 4667636 | Fuel injection type internal combustion engine | Kiyohiko Oishi, Nobuaki Kayanuma, Taiyo Kawai, Norihisa Nakagawa, Hiroshi Nomura | 1987-05-26 |
| 4586469 | Intake device of an internal combustion engine | Takeshi Okumura, Souichi Matsushita | 1986-05-06 |
| 4550699 | Intake device of an internal combustion engine | Takeshi Okumura, Tomio Warashina | 1985-11-05 |
| 4530312 | Piston with crown cooling cavity and radial ribs formed therein | Mutsumi Kanda, Souichi Matsushita | 1985-07-23 |
| 4520783 | Method of controlling fuel injection and apparatus therefor | Souichi Matsushita, Tokuta Inoue | 1985-06-04 |
| 4519346 | Helically-shaped intake port of an internal combustion engine | Takeshi Okumura | 1985-05-28 |
| 4516544 | Helically-shaped intake port of an internal-combustion engine | Takeshi Okumura, Mikio Nakajima | 1985-05-14 |
| 4506632 | Piston assembly with cooling lubricant reservoir defining member engaged to piston pin mounting bosses | Mutsumi Kanda, Tokuta Inoue, Souichi Matsushita | 1985-03-26 |
| 4505233 | Piston assembly with cooling lubricant reservoir defining member with a deep narrow reservoir and a shallow wide reservoir | Mutsumi Kanda, Souichi Matsushita, Tokuta Inoue | 1985-03-19 |
| 4503819 | Helically-shaped intake port of an internal-combustion engine | Takeshi Okumura, Mutsumi Kanda, Takeshi Kotani, Tokuta Inoue | 1985-03-12 |
| 4502432 | Helically shaped intake port of an internal-combustion engine | Takeshi Okumura, Tokuta Inoue | 1985-03-05 |
| 4499868 | Intake device of an internal combustion engine | Mutsumi Kanda, Tokuta Inoue, Mikio Nakajima | 1985-02-19 |
| 4485775 | Helically-shaped intake port of an internal-combustion engine | Mutsumi Kanda, Takeshi Okumura, Takeshi Kotani, Tokuta Inoue | 1984-12-04 |
| 4485773 | Helically-shaped intake port of an internal-combustion engine | Mutsumi Kanda, Tokuta Inoue | 1984-12-04 |
| 4485774 | Helically-shaped intake port of an internal-combustion engine | Mutsumi Kanda, Takeshi Okumura, Takeshi Kotani, Tokuta Inoue | 1984-12-04 |
| 4481916 | Helically-shaped intake port of an internal combustion engine | Takeshi Okumura, Mutsumi Kanda, Takeshi Kotani, Tokuta Inoue | 1984-11-13 |
| 4481915 | Helically-shaped intake port of an internal combustion engine | Takeshi Okumura, Mutsumi Kanda, Takeshi Kotani, Tokuta Inoue | 1984-11-13 |
| 4480625 | Internal combustion engine with helical intake port and combustion chamber with two squish areas | Mutsumi Kanda, Takeshi Okumura | 1984-11-06 |
| 4478182 | Helically-shaped intake port of an internal combustion engine | Takeshi Okumura, Mutsumi Kanda, Takeshi Kotani, Tokuta Inoue | 1984-10-23 |