Yasushi Watanabe
168Patents
21h-index
216Co-inventors
93Inventor score
Filing activity: Sep 17, 1974 → Oct 31, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5562426A | Scroll type refrigerant compressor | Mechanical Engineering; Lighting; Heating | 131 | Expired |
| US5763763A | Method and sensing device for measuring predetermined gas component in measurement gas | Physics | 70 | Expired |
| US5934087A | Refrigerating apparatus | Mechanical Engineering; Lighting; Heating | 70 | Expired |
| US6454551B2 | Seal structure in a scroll type compressor | Mechanical Engineering; Lighting; Heating | 59 | Expired |
| US6607443B1 | Game device | Human Necessities | 53 | Expired |
| US6062826A | Pulsating vibration air generation means | Emerging Cross-Sectional Technologies | 52 | Expired |
| US6558143B2 | Scroll compressors | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5264743A | Semiconductor memory operating with low supply voltage | Physics | 36 | Expired |
| US4726740A | Rotary variable-delivery compressor | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| USD782511S1 | Display screen with graphical user interface | General | 36 | Active |
| US6459044B2 | Flexible multilayer wiring board | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5700492A | Rotary-type tabletting machine with lubricant spraying means | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5012622A | Structural filler filled steel tube column | Fixed Constructions | 33 | Expired |
| US4898035A | Pressure sensor having sealing member for sealing housing interior with respect to external space | Physics | 28 | Expired |
| US5797732A | Variable capacity pump having a pressure responsive relief valve arrangement | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4498519A | Apparatus for continuous manufacturing lead or lead alloy strip | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6432534B1 | Process for the production of tablets and tablets | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5555215A | Semiconductor memory operating with low supply voltage | Physics | 26 | Expired |
| US6152713A | Scroll type compressor | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4677529A | Circuit board | Electricity | 23 | Expired |
| US6175366A | Method for displaying and controlling plural characters operated by a player on a video game apparatus | Human Necessities | 23 | Expired |
| US6230738A | Flow rate control valve and flow rate control system | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6776361B1 | Powder material spraying device | Performing Operations; Transporting | 21 | Expired |
| US4783940A | Concrete filled steel tube column and method of constructing same | Fixed Constructions | 20 | Expired |
| US5501584A | Scroll type compressor having a passage from the suction chamber to a compression pocket | Mechanical Engineering; Lighting; Heating | 20 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.