Masahiro Hayabuchi
99Patents
17h-index
99Co-inventors
87Inventor score
Filing activity: Apr 28, 1986 → Mar 25, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6558287B2 | Automatic transmission for a vehicle | Mechanical Engineering; Lighting; Heating | 404 | Expired |
| US6139463A | Automatic transmission for vehicle | Mechanical Engineering; Lighting; Heating | 80 | Expired |
| US6723018B2 | Automatic transmission | Mechanical Engineering; Lighting; Heating | 65 | Expired |
| US5735376A | Automatic transmission for vehicles | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US6422971B1 | Planetary carrier | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US5911646A | Control apparatus for automatic transmission | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US6176802A | Vehicular automatic transmission | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US6110069A | Automatic transmission for vehicle | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6120410A | Automatic transmission for vehicle | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5782711A | Hydraulic pressure control apparatus for an automatic transmission | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6135912A | Automatic transmission for a vehicle | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5501645A | Control system for vehicular automatic transmissions with a quick-shift hydraulic system for manual shifting | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5334114A | Control system for servo hydraulic pressure in vehicular automatic transmission | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5191814A | Speed change control system in automatic transmission | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5649880A | Failsafe control system for automatic transmission | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5368531A | Control method of and system thereof for inversely proportionally raising and lowering servo hydraulic pressure, based on input torque, for engaging and disengaging frictional elements in automatic transmission | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5741200A | Control apparatus for an automatic transmission | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6626786B2 | Speed shift control apparatus of automatic transmission | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5069657A | Automatic transmission | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4693348A | Direct coupling clutch with an integral damper device for a fluid coupling | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5800308A | Pressure control of hydraulic servos while in gear at a stopped neutral state | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5951433A | Automatic transmission | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5630772A | Control method and control system for automatic transmission | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4716998A | Direct coupling clutch with a damper device for a fluid coupling | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5505673A | Control system for automatic transmissions | Mechanical Engineering; Lighting; Heating | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.