Munehiro Date
13Patents
4h-index
25Co-inventors
60Inventor score
Filing activity: Apr 21, 1980 → Feb 17, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4308370A | Piezoelectric and pyroelectric polymer film and process for preparing same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6018210A | Methods for controlling the elastic modulus of piezoelectric substances and apparatus therefor | Electricity | 9 | Expired |
| US5319958A | Apparatus and method for evaluating phase change of emulsion | Physics | 7 | Expired |
| US7464790B2 | Sound insulation/absorption structure, and structure having these applied thereto | Physics | 5 | Expired |
| US6075308A | Variably sound-absorbing device | Physics | 4 | Expired |
| US9301054B2 | Electromechanical transducer and electrocoustic transducer | Electricity | 2 | Active |
| US9718514B2 | Electrically assisted bicycle | Emerging Cross-Sectional Technologies | 1 | Active |
| US7228322B1 | Data management apparatus of switching system | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6548936B2 | Elastic wave control element using piezoelectric materials | Performing Operations; Transporting | 0 | Expired |
| US9375754B2 | Laminated piezoelectric body, laminated piezoelectric body manufacturing method, and ultrasound transducer and ultrasound diagnostic device using laminated piezoelectric body | Emerging Cross-Sectional Technologies | 0 | Active |
| US8104336B2 | Acoustic capacity, volume, and surface area measurement method | Physics | 0 | Active |
| US9381972B2 | Power-assisted bicycle | Performing Operations; Transporting | 0 | Active |
| US7151074B1 | Reversible heat-sensitive paper and methods for writing information | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.