Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990126 | Continuously variable transmission | Hiromi Taguchi | 1991-02-05 |
| 4628754 | Output gear of automatic transmission | Shigeru Miida | 1986-12-16 |
| 4618036 | Hydraulic control system for lock-up clutch of torque converter | — | 1986-10-21 |
| 4598612 | Pump control arrangement for automatic automotive transmission or the like | — | 1986-07-08 |
| 4541791 | Vaned hydraulic system | Tadashi Fujikawa | 1985-09-17 |
| 4531624 | Check valve used with vacuum system for an automotive vehicle | — | 1985-07-30 |
| 4531898 | Control system for a vane type variable displacement pump | — | 1985-07-30 |
| 4485904 | Vacuum system for an automotive vehicle | Jun Udono | 1984-12-04 |
| 4423598 | Working fluid supply system for a hydraulic power booster and a power steering system | — | 1984-01-03 |
| 4359869 | Hydraulic power boost apparatus | — | 1982-11-23 |
| 4338855 | Relief valve mechanism for a hydraulic booster | — | 1982-07-13 |
| 4294160 | Oil pressure booster | George Takeda, Shoei Watanabe | 1981-10-13 |
| 4227602 | Hydraulic power clutch control system having an inching valve | Shoei Watanabe | 1980-10-14 |