Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33967 | Valve actuating mechanism having stopping function for internal combustion engines | Shoichi Honda, Makoto Hirano, Masaaki Matsuura | 1992-06-23 |
| RE33538 | Valve operation control device for internal combustion engines | Masaaki Matsuura | 1991-02-19 |
| RE33499 | Method and apparatus for the control of valve operations in internal combustion engine | Masaaki Matsuura | 1990-12-18 |
| 4779589 | Control apparatus for intake and exhaust valves of an internal combustion engine | Masaaki Matsuura | 1988-10-25 |
| 4587936 | Control apparatus for intake and exhaust valves of an internal combustion engine | Masaaki Matsuura | 1986-05-13 |
| 4545342 | Method and apparatus for the control of valve operations in internal combustion engine | Masaaki Matsuura | 1985-10-08 |
| 4537165 | Valve actuating mechanism having stopping function for internal combustion engines | Shoichi Honda, Makoto Hirano, Masaaki Matsuura | 1985-08-27 |
| 4535732 | Valve disabling device for internal combustion engines | Masaaki Matsuura | 1985-08-20 |
| 4523550 | Valve disabling device for internal combustion engines | Shoichi Honda, Hirano Makota, Masaaki Matsuura | 1985-06-18 |
| 4515121 | Valve driving control apparatus in an internal combusiton engine | Masaaki Matsuura | 1985-05-07 |
| 4497288 | Intake device for an engine | Masaaki Matsuura, Minoru Akiyama | 1985-02-05 |
| 4480617 | Valve operation control apparatus in internal combustion engine | Masaaki Matsuura | 1984-11-06 |