Ichiro Ohhinata
24Patents
8h-index
11Co-inventors
64Inventor score
Filing activity: Sep 13, 1974 → Mar 21, 1980
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4074299A | Light-emitting diode element and device | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4015143A | Semiconductor switch | Electricity | 18 | Expired |
| US4125787A | Semiconductor switch circuit | Electricity | 18 | Expired |
| US4031412A | Memory circuit | Electricity | 17 | Expired |
| US3990102A | Semiconductor integrated circuits and method of manufacturing the same | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4380021A | Semiconductor integrated circuit | Electricity | 14 | Expired |
| US4039863A | Light activated semiconductor switch device | Electricity | 11 | Expired |
| US4112315A | Semiconductor switch circuit | Electricity | 10 | Expired |
| US4031413A | Memory circuit | Electricity | 8 | Expired |
| US4084110A | Semiconductor switch | Electricity | 8 | Expired |
| US4288862A | Memory circuit | Physics | 7 | Expired |
| US4071779A | Semiconductor switch | Electricity | 7 | Expired |
| US4066915A | Memory circuit | Physics | 7 | Expired |
| US4041332A | Semiconductor switch device | Electricity | 7 | Expired |
| US4039864A | Semiconductor bidirectional switch circuit | Electricity | 6 | Expired |
| US4039865A | Semiconductor switch | Electricity | 5 | Expired |
| US4130767A | Semiconductor switch | Electricity | 5 | Expired |
| US3959668A | Semiconductor bidirectional switch circuit | Electricity | 5 | Expired |
| US4058741A | Semiconductor switch circuit | Electricity | 5 | Expired |
| US4112346A | Constant current circuit | Physics | 3 | Expired |
| US4239985A | Trigger circuit for a thyristor | Electricity | 3 | Expired |
| US3961357A | Semiconductor integrated circuit device | Electricity | 3 | Expired |
| US4315168A | Semiconductor switch | Electricity | 2 | Expired |
| US4232234A | Semiconductor switch circuit | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.