Akira Fukatsu
24Patents
7h-index
53Co-inventors
68Inventor score
Filing activity: Apr 25, 1994 → Sep 21, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5947856A | Control system for automatic transmission, including coordinated frictional engagement element release control | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5472389A | Hydraulic control system for automatic transmission | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5527233A | Hydraulic control apparatus for controlling an engaging state of a lock-up clutch of an automatic transmission | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5957800A | Shift control system for automatic transmission | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5583768A | Shift control system for preventing engine racing | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5527236A | Shift control system for automatic transmission | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5865702A | Oil temperature responsive hydraulic control system for an automatic transmission | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6835151B2 | Oil pressure control device of automatic transmission | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5665027A | Shift control system for automatic transmission | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5588927A | Control system for automatic transmission | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5725451A | Control system for automatic transmission | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5593365A | Control system for automatic transmission | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7621837B2 | Hydraulic control apparatus for an automatic transmission | Emerging Cross-Sectional Technologies | 5 | Active |
| US5496230A | Control system for automatic transmission | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5605516A | Oil pressure controller of automatic transmission | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6802792B2 | Oil pressure control device of automatic transmission | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5674154A | Hydraulic control system for automatic transmission | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7341133B2 | Hydraulic circuit and hydraulic control unit for hydraulic power transmission | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5616094A | Hydraulic control system for automatic transmission | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6846259B2 | Hydraulic control system for automatic transmission | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7628729B2 | Hydraulic control apparatus for an automatic transmission | Emerging Cross-Sectional Technologies | 2 | Active |
| US7582035B2 | Automatic transmission | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7473208B2 | Shift control device of automatic transmission | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US8844692B2 | Fluid pressure control device | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.