Mamoru Yasuda
30Patents
8h-index
32Co-inventors
75Inventor score
Filing activity: May 27, 1981 → Nov 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7080442B2 | Manufacturing method of acoustic sensor | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5272758A | Electret condenser microphone unit | Electricity | 25 | Expired |
| US4907295A | Improved diving wet suit | Performing Operations; Transporting | 16 | Expired |
| US7386136B2 | Sound detecting mechanism | Electricity | 15 | Expired |
| US7959053B2 | Hollow tissue inosculation apparatus | Human Necessities | 10 | Active |
| US5038459A | Method of fabricating the diaphragm unit of a condenser microphone by electron beam welding | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7570773B2 | Sound detecting mechanism | Electricity | 9 | Expired |
| US4628521A | Indicating device in measuring machine | Physics | 8 | Expired |
| US6870938B2 | Semiconductor electret capacitor microphone | Electricity | 8 | Expired |
| US6479878B1 | Semiconductor device and semiconductor electret condenser microphone | Electricity | 8 | Expired |
| US5014322A | Diaphragm unit of a condenser microphone, a method of fabricating the same, and a condenser microphone | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7352873B2 | Electret-condenser microphone | Electricity | 4 | Expired |
| US8074860B2 | Hollow tissue inosculation apparatus | Human Necessities | 3 | Active |
| US4588989A | Supervisory device for wrong operation of varying quantity measuring apparatus | Physics | 3 | Expired |
| US7204009B2 | Manufacturing method of acoustic sensor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7430915B2 | Vibration sensor | Electricity | 3 | Expired |
| US6420203B1 | Method of producing semiconductor electret condenser microphone | Electricity | 3 | Expired |
| US4392025A | Condenser microphone | Electricity | 3 | Expired |
| US4899673A | Control device for cyclic sewing machine | Textiles; Paper | 2 | Expired |
| US6417560B1 | Semiconductor device | Electricity | 2 | Expired |
| US8056790B2 | Hollow tissue inosculation apparatus | Human Necessities | 1 | Active |
| US7802673B2 | Image recording apparatus | Physics | 1 | Active |
| US8633433B2 | Optical potentiometer having an optical element with optical property continuously varying along a moving direction and operating device | Human Necessities | 1 | Active |
| US8052025B2 | Hollow tissue inosculation apparatus | Human Necessities | 1 | Active |
| US6566728B1 | Semiconductor device | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.