Masashi Tanabe
13Patents
5h-index
30Co-inventors
66Inventor score
Filing activity: Jan 22, 1987 → Apr 12, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4817075A | Program selection for a digital audio disk | Physics | 34 | Expired |
| US5329516A | Disk player with internal conveyor for exchanging stored disks | Physics | 13 | Expired |
| US7863840B2 | Motor driving circuit | Electricity | 11 | Active |
| US4992892A | Music start signals in a magnetic recording/reproducing device | Physics | 7 | Expired |
| USD892918S1 | Roller stamp | General | 6 | Active |
| US4839584A | Signal level display device for recording/reproducing apparatus | Physics | 3 | Expired |
| US8736214B2 | Motor drive circuit and illumination apparatus | Electricity | 2 | Active |
| US9685901B2 | Motor controller with flexible protection modes | Electricity | 2 | Active |
| US7702657B2 | Portable information processor | Physics | 2 | Active |
| US7902720B2 | High-voltage driver and piezoelectric pump with built-in driver | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US4860129A | Signal reproducing device | Physics | 1 | Expired |
| US8416664B1 | Driving circuit for stepping motor | Physics | 0 | Active |
| US9912269B2 | Motor drive circuit and illumination apparatus and method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.