Keizo Watanabe
12Patents
4h-index
27Co-inventors
60Inventor score
Filing activity: Feb 11, 1982 → Feb 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5535425A | Channel switching control in mobile telecommunication system | Electricity | 52 | Expired |
| US5172970A | Electric locker apparatus with emergency unlocking | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6717645B2 | LCD with electrodes(s) for producing transverse electric field component | Physics | 6 | Expired |
| USD345565S | Front panel for a combined radio receiver and compact disc player | General | 4 | Expired |
| US4467671A | Release mechanism for a push-button tuner | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8374620B2 | Frequency allocation method in wireless base station apparatus and wireless base station apparatus | Electricity | 2 | Active |
| US6738359B1 | Communication format control method and apparatus | Electricity | 2 | Expired |
| US4492125A | Push-button tuner | Physics | 0 | Expired |
| US8463266B2 | Cell selection method, mobile station device and mobile communication system in hierarchical cell structure | Electricity | 0 | Active |
| US8004411B2 | Method for manufacturing radio frequency IC tag and antenna | Electricity | 0 | Active |
| US4487084A | Push-button type tuner | Electricity | 0 | Expired |
| US12005814B2 | Power supply device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.