Yoshimi Oota
10Patents
8h-index
9Co-inventors
65Inventor score
Filing activity: Apr 11, 1986 → Nov 9, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5740341A | Design and production supporting system for component arrangement and pipe routing | Physics | 71 | Expired |
| US4994989A | Displaying method and apparatus for three-dimensional computer graphics | Physics | 57 | Expired |
| US5379371A | Displaying method and apparatus for three-dimensional computer graphics | Physics | 37 | Expired |
| US5109964A | Conical roller type clutch apparatus | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5341893A | Four wheel drive working vehicle having transmission clutches separately operable for driving right and left rear wheels | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4719812A | Transmission casing including a hydraulic clutch | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4711329A | Hydraulic circuit construction for power shift transmission | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4974403A | Grass cutting system having a grass catcher | Human Necessities | 10 | Expired |
| US8432515B2 | Combination optical film, laminated combination optical film and image display | Physics | 2 | Active |
| US5040650A | Power transmission | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.