Yutaka Harada
57Patents
14h-index
84Co-inventors
87Inventor score
Filing activity: Oct 4, 1974 → Apr 21, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4893174A | High density integration of semiconductor circuit | Electricity | 118 | Expired |
| US6313532A | Semiconductor device and method for manufacturing the same | Electricity | 49 | Expired |
| US5981029A | Gas barrier film containing inorganic stratified particles and a production method thereof | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4060425A | Super rapid hardening mixture | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4956642A | Superconducting analog to digital converter | Electricity | 33 | Expired |
| US4916335A | Superconducting circuit | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5309038A | Superconducting toggle flip-flop circuit and counter circuit | Electricity | 30 | Expired |
| US4785426A | Superconducting switching circuit, memory cell and memory circuit, with resonance damping resistors | Physics | 28 | Expired |
| US4709788A | Group control apparatus for elevators | Performing Operations; Transporting | 28 | Expired |
| US5128675A | Superconducting digital to analog converter | Electricity | 27 | Expired |
| US4888629A | Superconducting device | Electricity | 19 | Expired |
| US4884111A | Superconducting device | Electricity | 18 | Expired |
| US4633439A | Superconducting read-only memories or programable logic arrays having the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4084981A | Quick hardening cement-asphalt composition | Chemistry; Metallurgy | 15 | Expired |
| US4866373A | Superconducting current detecting circuit employing DC flux parametron circuit | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4851776A | Weak field measuring magnetometer with flux modulated current conducting Josephson junction | Physics | 13 | Expired |
| US7240000B2 | Control of speech code in mobile communications system | Physics | 11 | Expired |
| US5053645A | Threshold logic circuit | Electricity | 11 | Expired |
| US4451196A | Transfer apparatus | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6812573B2 | Semiconductor device and method for manufacturing the same | Electricity | 10 | Expired |
| US4626701A | Rectifying circuit comprising a superconductive device | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7595540B2 | Semiconductor device and method of manufacturing the same | Electricity | 10 | Active |
| US5856377A | Process for manufacturing thermosetting resin particles for powder coating use | Chemistry; Metallurgy | 9 | Expired |
| US5311036A | Superconducting device | Electricity | 9 | Expired |
| US4672244A | Josephson logic integrated circuit | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.