Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291285 | Television signal level meter | Itoshi Yokoyama, Kakuya Saito | 1994-03-01 |
| 5242649 | Molded calcium silicate articles and method for producing same | Akio Yamamoto, Hideo Uchiyama, Naohide Torigoe | 1993-09-07 |
| 4952243 | Statical demolition-facilitating agent | Waichi Kobayashi, Satoshi Otaka | 1990-08-28 |
| 4906035 | Automatic locking device for trunk lid of motor vehicle | Yutaka Yokoyama | 1990-03-06 |
| 4766545 | System for controlling the ignition timing of an internal combustion engine | — | 1988-08-23 |
| 4736723 | System and method for controlling the ignition timing of an internal combustion engine | — | 1988-04-12 |
| 4726339 | System for controlling the ignition timing of an internal combustion engine | — | 1988-02-23 |
| 4715342 | System for controlling the ignition timing of an internal combustion engine | — | 1987-12-29 |
| 4694801 | System for controlling the ignition timing of an internal combustion engine | — | 1987-09-22 |
| 4691678 | System for controlling the ignition timing of an internal combustion engine | — | 1987-09-08 |
| 4620518 | System for controlling the ignition timing of an internal combustion engine | — | 1986-11-04 |
| 4601272 | Ignition timing control system for an automotive engine | — | 1986-07-22 |