Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5940181 | Measuring method and measuring apparatus | Issei Tsubono, Hirofumi Nakanishi, Yasushi Matsushita | 1999-08-17 |
| 4840246 | Power transmission control system for a four-wheel drive vehicle | Toru Yamakawa, Mitsuo Umezawa, Ryuzo Sakikiyama | 1989-06-20 |
| 4630704 | System for controlling a power transmission of a four-wheel drive vehicle | Toru Yamakawa, Mitsuo Umezawa, Ryuzo Sakakiyama | 1986-12-23 |
| 4617840 | System for controlling a power transmission of a four-wheel drive vehicle | Toru Yamakawa, Mitsuo Umezawa, Ryuzo Sakakiyama | 1986-10-21 |
| 4586583 | System for controlling a power transmission of a four-wheel drive vehicle | Toru Yamakawa, Mitsuo Umezawa, Ryuzo Sakakiyama | 1986-05-06 |
| 4576061 | System for controlling the transmission of a four-wheel drive vehicle | Toru Yamakawa, Mitsuo Umezawa, Ryuzo Sakakiyama | 1986-03-18 |
| 4570765 | Gearshift system for an automobile | — | 1986-02-18 |
| 4567969 | Gearshift system for an automobile | — | 1986-02-04 |
| 4565108 | Gearshift apparatus for an automobile | — | 1986-01-21 |
| 4511014 | System for controlling a power transmission of a four-wheel drive vehicle | — | 1985-04-16 |
| 4502579 | System for preventing the overheat of a clutch for an internal combustion engine | — | 1985-03-05 |
| 4499450 | System to detect slippage of a clutch for an internal combustion engine | — | 1985-02-12 |
| 4470489 | System for controlling a power transmission of a four-wheel drive vehicle | — | 1984-09-11 |
| 4425992 | Systems for preventing overheat of electromagnetic clutch for vehicles | — | 1984-01-17 |