Keiichi Kami
13Patents
5h-index
14Co-inventors
63Inventor score
Filing activity: Jun 21, 1996 → Aug 15, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5907521A | Ultrasonic range finder using ultrasonic sensor | Physics | 14 | Expired |
| US7141919B1 | Piezoelectric electroacoustic transducer | Electricity | 11 | Expired |
| US7259502B2 | Insert terminal-containing case, piezoelectric electroacoustic transducer using the same, and process for producing insert terminal-containing case | Electricity | 7 | Expired |
| US6960868B2 | Piezoelectric electro-acoustic transducer and manufacturing method of the same | Physics | 5 | Expired |
| US6021671A | Acceleration sensor including an acceleration detection element bonded to a circuit substrate with a conductive bonding material | Physics | 5 | Expired |
| US7671517B2 | Piezoelectric electroacoustic transducer | Electricity | 3 | Active |
| US7583011B2 | Package of surface-mountable electronic component | Emerging Cross-Sectional Technologies | 2 | Active |
| US10749492B2 | Piezoelectric vibration component and method for manufacturing the same | Electricity | 0 | Active |
| US6772491B2 | Manufacturing method for ceramic oscillator | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10784836B2 | Piezoelectric vibration device and method for manufacturing the same | Electricity | 0 | Active |
| US10615331B2 | Crystal vibrator and crystal vibration device | Electricity | 0 | Active |
| US10454020B2 | Crystal vibrator, method for manufacturing the same, and crystal vibration device | Electricity | 0 | Active |
| US10715104B2 | Piezoelectric vibration component and method for manufacturing the same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.