Masaharu Suzuki
84Patents
15h-index
118Co-inventors
87Inventor score
Filing activity: Feb 12, 1974 → Mar 19, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4211823A | Tintable coatings and articles having such coatings | Emerging Cross-Sectional Technologies | 125 | Expired |
| US5905530A | Image pickup apparatus | Electricity | 89 | Expired |
| US6406809B1 | Fuel cell comprising a separator provided with coolant passages | Emerging Cross-Sectional Technologies | 33 | Expired |
| US8283888B2 | Power receiver, and electronic apparatus and non-contact charger using same | Emerging Cross-Sectional Technologies | 27 | Active |
| US4488104A | Power source apparatus for a flash lamp used in a pulse laser apparatus | Electricity | 24 | Expired |
| US5537168A | Projection optical apparatus comprising automatic adjustment unit | Electricity | 22 | Expired |
| US6528196B1 | Fuel cell stack having bent section flow passage grooves | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5971889A | Solenoid self-cleaning pressure valve for automatic vehicle transmission | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4263484A | Microphone unit | Electricity | 20 | Expired |
| US5885052A | Transferring apparatus and robot arm | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6170934A | Method for apparatus for producing a nozzle plate of an ink-jet head printer | Performing Operations; Transporting | 17 | Expired |
| US4792931A | Optical seismic detector | Physics | 17 | Expired |
| US6926985B2 | Fuel cell stack | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6255011A | Fuel cell stack | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5691260A | Cubic system boron nitride sintered body for a cutting tool | Chemistry; Metallurgy | 15 | Expired |
| US6420061B1 | Fuel cell stack | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7195837B2 | Separator unit and fuel cell with separator unit | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7174977B2 | Vehicle with electric motor mounted thereon | Emerging Cross-Sectional Technologies | 11 | Expired |
| US3936707A | Operating apparatus for electrically driven vehicles | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7022430B2 | Compact fuel cell with improved fluid supply | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7684591B2 | Information processing system, information processing apparatus and information processing method, program, and recording medium | Electricity | 9 | Active |
| US4910545A | Finder optical system | Physics | 9 | Expired |
| US4690841A | Pyrolytic boron nitride article | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5443605A | Polycrystalline cubic boron nitride abrasive | Chemistry; Metallurgy | 8 | Expired |
| US6943481B2 | Vibration member and vibration wave driving apparatus | Electricity | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.