Kazunari Furukawa
9Patents
9h-index
2Co-inventors
55Inventor score
Filing activity: Mar 15, 1989 → Mar 14, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5012890A | Acoustic apparatus | Electricity | 57 | Expired |
| US5109422A | Acoustic apparatus | Electricity | 35 | Expired |
| US4953655A | Acoustic apparatus | Electricity | 34 | Expired |
| US5004066A | Acoustic apparatus | Electricity | 30 | Expired |
| US5173575A | Acoustic apparatus | Electricity | 25 | Expired |
| US5010977A | Acoustic apparatus with plural resonators having different resonance frequencies | Physics | 15 | Expired |
| US6305168A | V-type engine with turbocharger | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4997057A | Method and apparatus of expanding acoustic reproduction range | Electricity | 11 | Expired |
| US5014320A | Driving apparatus, and control information storage body and protection circuit therefor | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.