Hiroshi Katou
34Patents
9h-index
72Co-inventors
78Inventor score
Filing activity: Dec 6, 1989 → May 30, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5027242A | Magnetic disk apparatus having at least six magnetic disks | Physics | 37 | Expired |
| US6422971B1 | Planetary carrier | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US6120410A | Automatic transmission for vehicle | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5189577A | A magnetic disk apparatus and a motor securement therefor | Physics | 23 | Expired |
| US8448541B2 | Hybrid drive speed change device | Emerging Cross-Sectional Technologies | 17 | Active |
| US6644866B1 | Electronic apparatus | Physics | 15 | Expired |
| US6743148B2 | Planetary gear set | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US7198026B2 | Divider plate for an inlet port, sand core for forming an inlet port, and cylinder head | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6508094B1 | Internally-toothed member, and method and apparatus for molding same | Performing Operations; Transporting | 9 | Expired |
| US7032560B2 | Partition plate for intake port, sand core for forming intake port, and cylinder head | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7731623B2 | Automatic transmission | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US8002663B2 | Automatic transmission | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US8215470B2 | Starting device | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US7377874B2 | Automatic transmission | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8836186B2 | Bus bar device, stator, motor and manufacturing method for stator | Emerging Cross-Sectional Technologies | 4 | Active |
| US6648106B2 | One-way clutch and a supporting structure | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7731624B2 | Automatic transmission | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8100809B2 | Automatic transmission | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7862465B2 | Automatic transmission | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7862461B2 | Automatic transmission | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8794412B2 | Hydraulic clutch and transmission device provided with the same | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8739951B2 | Transmission device | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8167756B2 | Lubricating oil supply device for automatic transmission | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9484792B2 | Rotor and method for manufacturing the rotor | Emerging Cross-Sectional Technologies | 2 | Active |
| US8875859B2 | Hydraulic clutch and transmission device provided with the same | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.