Yasushi Yamada
87Patents
14h-index
137Co-inventors
87Inventor score
Filing activity: Sep 7, 1979 → Jun 2, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7325975B2 | Optical module with lever that abuts case to release latch from locking state with cage which accommodates optical module | Physics | 69 | Expired |
| US6714814B2 | Bioelectrical impedance measuring apparatus | Human Necessities | 56 | Expired |
| US5965036A | Microetching composition for copper or copper alloy | Electricity | 44 | Expired |
| US5807493A | Microetching method for copper or copper alloy | Electricity | 34 | Expired |
| US5035749A | Process for removing tin and tin-lead alloy from copper substrates | Electricity | 27 | Expired |
| US7340614B2 | Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4957285A | Document feeder with sheet edge regulating mechanism | Physics | 19 | Expired |
| US4425270A | Reactive disazo compounds | Chemistry; Metallurgy | 18 | Expired |
| US5215303A | Sheet alignment device for a copying apparatus having an intermediate standby position | Performing Operations; Transporting | 17 | Expired |
| US6605187B1 | Method for producing pulp molded article | Textiles; Paper | 17 | Expired |
| US6337414B1 | Process for producing partial glyceride | Chemistry; Metallurgy | 16 | Expired |
| US6969907B2 | Cooling structure for multichip module | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5648601A | Apparatus for analyzing air/fuel ratio sensor characteristics | Physics | 15 | Expired |
| US6795762B2 | Steering apparatus controller for electric power steering apparatus | Performing Operations; Transporting | 14 | Expired |
| US4869488A | Automatic sheet-feeder | Physics | 14 | Expired |
| US5328163A | Recording sheet feeding device | Performing Operations; Transporting | 13 | Expired |
| US5205548A | Automatic document sheet conveyance device | Performing Operations; Transporting | 12 | Expired |
| US5118089A | Automatic document feeding apparatus | Physics | 12 | Expired |
| US8213179B2 | Semiconductor element cooling structure | Electricity | 11 | Active |
| US4896876A | Document feeding apparatus | Physics | 11 | Expired |
| US4705265A | Automatic sheet feeding apparatus | Performing Operations; Transporting | 11 | Expired |
| US6454906B1 | Process for producing pulp molded article | Textiles; Paper | 10 | Expired |
| US5197723A | Automatic document feeding apparatus | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5462793A | Structured fiber material comprised of composite fibers coiled around crimped short fibers | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5515150A | Copying apparatus equipped with automatic document feeder for feed cut sheets and continuous feed sheets | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.