Akira Azuma
10Patents
8h-index
10Co-inventors
69Inventor score
Filing activity: Oct 20, 1975 → Dec 11, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5912064A | Dial plate for solar battery powered watch | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4050191A | Knockdown apparatus for supporting and driving overhung doors | Fixed Constructions | 19 | Expired |
| US5761158A | Solar battery powered watch | Physics | 18 | Expired |
| US5562414A | Noise reduction device for rotorcraft | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4901528A | System for suppressing noise due to exhaust gas from motor vehicle | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4092575A | Apparatus for automatically controlling the operation of automatic door | Fixed Constructions | 13 | Expired |
| US6021099A | Solar-cell watch dial and process for producing the same | Physics | 13 | Expired |
| US4023326A | Sash having rail with adjusting device | Fixed Constructions | 9 | Expired |
| US4023236A | Dual-roller support for overhung doors | Fixed Constructions | 3 | Expired |
| US6099761A | Process for producing solar-cell watch dial | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.