Yasumitsu Wada
13Patents
6h-index
13Co-inventors
63Inventor score
Filing activity: Mar 10, 1982 → Mar 23, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4477699A | Mechanical two-way loudspeaker | Electricity | 35 | Expired |
| US5446722A | Information recording apparatus having magnetic shield means | Electricity | 14 | Expired |
| US4488012A | MFB Loudspeaker | Electricity | 11 | Expired |
| US4773062A | Optical information recording and reproducing apparatus including lens supporting mechanism employing cantilever springs | Physics | 10 | Expired |
| US6586753B2 | Electron beam apparatus and electron beam adjusting method | Electricity | 9 | Expired |
| US5319198A | Electron beam projection apparatus | Electricity | 7 | Expired |
| US5281978A | Object carriage system | Physics | 6 | Expired |
| US6930961B2 | Grooving apparatus and grooving method | Physics | 3 | Expired |
| US7276692B2 | Beam adjusting sample, beam adjusting method and beam adjusting device | Electricity | 2 | Expired |
| US7875866B2 | Beam recording apparatus and beam adjustment method | Physics | 1 | Active |
| US7190664B2 | High density optical recording medium and method for reproducing thereof | Physics | 0 | Expired |
| US6996043B2 | Optical head apparatus | Physics | 0 | Expired |
| US6954273B2 | Laser-based measuring apparatus for measuring an axial run-out in a cylinder of rotation and method for measuring the same utilizing opposing incident measuring light beams | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.