Hiroji Sumiyoshi
6Patents
4h-index
9Co-inventors
46Inventor score
Filing activity: Nov 25, 1975 → Jun 23, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4031553A | Implosion-resistant cathode ray tube with protective assembly for its face plate | Electricity | 18 | Expired |
| US4356515A | Cathode ray tube | Electricity | 6 | Expired |
| US4746315A | Production of color selection mechanism for cathode-ray tube | Electricity | 6 | Expired |
| US4641059A | Cathode ray tube | Electricity | 5 | Expired |
| US4588430A | Method of manufacturing a glass product and resulting product | Chemistry; Metallurgy | 4 | Expired |
| US4720748A | Cathode ray tube | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.