Masaaki Shiomi
7Patents
5h-index
13Co-inventors
56Inventor score
Filing activity: Dec 15, 1989 → May 10, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6147035A | Lubricating oil composition containing overbased metal salicylate, amine antioxidant, phenol antioxidant, polyalkenylsuccinimide and zinc dialkyldithiophosphate | Chemistry; Metallurgy | 23 | Expired |
| US6225005A | Lead-acid battery and producing method thereof | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6495288B2 | Lead-acid battery having tin in positive active material and silica in separator | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5541013A | Sealed tubular lead-acid battery | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6284411A | Valve regulated type battery and producing method thereof | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6620551B1 | Positive plate current collector for lead storage battery and lead storage battery comprising the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5217825A | Sealed lead-acid battery | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.