Masakichi Shimada
4Patents
4h-index
15Co-inventors
47Inventor score
Filing activity: Dec 27, 1982 → Jan 9, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4833181A | Polyolefin composition containing cellulose fibers and a deodorizer | Chemistry; Metallurgy | 32 | Expired |
| US6147035A | Lubricating oil composition containing overbased metal salicylate, amine antioxidant, phenol antioxidant, polyalkenylsuccinimide and zinc dialkyldithiophosphate | Chemistry; Metallurgy | 23 | Expired |
| US4467061A | Weather resistant polyolefin composition | Chemistry; Metallurgy | 20 | Expired |
| US4959338A | Heat-resistant catalyst carrier moldings and catalysts for combustion | Performing Operations; Transporting | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.