Mitsuhiro Oikawa
10Patents
5h-index
21Co-inventors
66Inventor score
Filing activity: Jan 31, 1978 → Jan 24, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4287229A | Method for surface treatment of phosphor particles | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6248261A | Electroluminescent phosphor and electroluminescent element using the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4208299A | Method of preparing zinc sulfide phosphor coactivated with copper and gold | Chemistry; Metallurgy | 13 | Expired |
| US7840804B2 | Attribute certificate validation method and device | Electricity | 6 | Active |
| US6042748A | Regenerating method and system for fluorescent material | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4772818A | Cathode ray tube with pigment-doped phosphor | Chemistry; Metallurgy | 5 | Expired |
| US4806822A | Cathode ray tube containing zinc silicate phosphor | Chemistry; Metallurgy | 4 | Expired |
| US6702958B2 | Electroluminescent phosphor and electroluminescent element therewith | Chemistry; Metallurgy | 3 | Expired |
| US4804882A | Cathode-ray tube including a white phosphor screen | Electricity | 1 | Expired |
| US7841001B2 | Authentication information management method for device embedded with microprocessor unit | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.