Tetsuo Okawa
6Patents
4h-index
10Co-inventors
46Inventor score
Filing activity: Apr 8, 1999 → May 21, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6242393A | Traction drive fluid | Chemistry; Metallurgy | 75 | Expired |
| US6191330A | Traction drive fluid | Chemistry; Metallurgy | 15 | Expired |
| US6320088A | Traction drive fluid | Chemistry; Metallurgy | 10 | Expired |
| US6638417B2 | Traction drive fluid | Chemistry; Metallurgy | 8 | Expired |
| US6797674B2 | Solid agricultural chemicals composition, preparation thereof and the method for scattering the same | Human Necessities | 3 | Expired |
| US9157046B2 | Lubricating oil composition | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.