Sunao Ishihara
12Patents
5h-index
17Co-inventors
59Inventor score
Filing activity: Sep 9, 1987 → Feb 20, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5241183A | Vertical XY stage | Physics | 50 | Expired |
| US4793201A | Porous static pressure guide | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5158152A | System for lubricating transmission for vehicle | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5527229A | Planetary differential gear system provided with a differential action limiting mechanism | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6895832B2 | Power transmission system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5123512A | Automatic wear adjustment multiple-disk clutch apparatus | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6736020B2 | Changing system in manual transmission | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7013746B2 | Control method and control apparatus of automatic transmission | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5813939A | Vehicle drive system including a torque splitter | Performing Operations; Transporting | 3 | Expired |
| US6779417B2 | Power transmission system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6776062B2 | Power transmission system | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7037237B2 | Car control apparatus and control method | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.