Tahei Okada
9Patents
2h-index
13Co-inventors
48Inventor score
Filing activity: Apr 8, 1985 → Mar 11, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4634543A | Shock absorber fluid composition and shock absorber containing said composition | Chemistry; Metallurgy | 19 | Expired |
| US5599780A | Metal working oil composition | Chemistry; Metallurgy | 3 | Expired |
| US9068136B2 | Lubricating oil composition for high-temperature applications | Chemistry; Metallurgy | 1 | Active |
| US8703678B2 | Grease | Chemistry; Metallurgy | 1 | Active |
| US8987177B2 | Biodegradable lubricant composition | Chemistry; Metallurgy | 1 | Active |
| US8394749B2 | Pressure medium oil | Chemistry; Metallurgy | 1 | Active |
| US9139795B2 | Biodegradable lubricant composition | Chemistry; Metallurgy | 0 | Active |
| US9410106B2 | Lubricating oil composition | Chemistry; Metallurgy | 0 | Active |
| US8609596B2 | Gear oil composition | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.