Seiichi Kamiyama
5Patents
3h-index
9Co-inventors
50Inventor score
Filing activity: Feb 26, 1974 → Sep 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4155949A | Fire retardant polycarbonate resin composition | Chemistry; Metallurgy | 5 | Expired |
| US3978158A | Thermoplastic resin compositions | Chemistry; Metallurgy | 4 | Expired |
| US4087414A | Process for producing a flame retardant isocyanurate resin | Chemistry; Metallurgy | 3 | Expired |
| US9401398B2 | Semiconductor device including transistor | Electricity | 0 | Active |
| US11348862B2 | Source electrode and connector lead with notched portions for a semiconductor package | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.