Mitsuaki Ishimaru
7Patents
3h-index
7Co-inventors
50Inventor score
Filing activity: Oct 13, 1989 → Mar 12, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5411672A | Lubrication oil composition | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US4994196A | Two-cycle engine oil composition | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5663125A | Lubricating oil for two-cycle engines | Chemistry; Metallurgy | 3 | Expired |
| US5543081A | Lubricant additive | Chemistry; Metallurgy | 3 | Expired |
| US8770369B2 | Vehicle shift control device | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9037362B2 | Shift range switching apparatus of automatic transmission | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8735335B2 | Base oil for hydraulic oil and composition using the same | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.