Wataru Ishimaru
15Patents
11h-index
8Co-inventors
65Inventor score
Filing activity: Sep 12, 1974 → Jul 13, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6910985B2 | Gear-operated speed change apparatus for automatic transmission | Mechanical Engineering; Lighting; Heating | 118 | Expired |
| US6935985B2 | Gear change-speed unit for automatic transmission | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US7037232B2 | Multiple-speed transmission for automotive vehicle | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4483215A | Transmission with overdrive | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5088352A | System for controlling hydraulic fluid pressure for V-belt type automatic transmission | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4440282A | Clutch drum for automatic automotive transmission | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4445401A | Gear shift shock reducing apparatus for hydraulic control system of automatic transmission | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5865289A | Hydraulic engagement apparatus for automatic transmissions | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4907471A | V-belt type continuously variable transmission | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6884197B2 | Gear shifter for automatic transmission | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6752737B2 | Gear speed-changing apparatus for automatic transmissions | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US3958658A | Locking device for shift mechanism of an automotive power transmission system | Performing Operations; Transporting | 8 | Expired |
| US7282007B2 | Multiple-speed transmission for automotive vehicle | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6790155B2 | Speed change gear for automatic transmission | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4160392A | Automatic power transmission with direct-drive clutch | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.