Yoshihiro Takahashi
112Patents
19h-index
181Co-inventors
89Inventor score
Filing activity: Oct 4, 1974 → Jul 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7171087B2 | Optical fiber cable | Physics | 244 | Expired |
| US4806751A | Code wheel for a reflective type optical rotary encoder | Physics | 125 | Expired |
| US4644156A | Code wheel for reflective optical rotary encoders | Physics | 112 | Expired |
| US5195961A | Aspirator | Human Necessities | 108 | Expired |
| US4158754A | Mounting apparatus for communication exchange equipment | Electricity | 51 | Expired |
| US5426850A | Fabrication process of wiring board | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4820264A | Infusion instrument | Human Necessities | 42 | Expired |
| US6015953A | Tension clamp for stranded conductor | Electricity | 41 | Expired |
| USD472570S1 | Data projector | General | 38 | Expired |
| US4321654A | Frame unit for electronic communication devices | Electricity | 34 | Expired |
| US5769544A | Dynamic pressure pneumatic bearing device and manufacturing method thereof | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4447856A | Shelf unit for electronic communication devices | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5739602A | Method of and device using adhesively connected parts for preventing motor rotational imbalance caused by thermal expansion | Electricity | 30 | Expired |
| US3972682A | Pyrolysis furnace | Physics | 27 | Expired |
| US5606448A | Polygon scanner and production process thereof | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5510664A | Brushless motor | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5453650A | Face opposing type motor | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US9325946B2 | Content processing apparatus and method, and program | Electricity | 23 | Active |
| US4577338A | X-Ray fluorescence spectrometer and method of calibrating the same | Physics | 21 | Expired |
| US4267260A | Developer for lithographic printing plate | Physics | 18 | Expired |
| US5574591A | Polygon scanner and production process thereof | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7602540B2 | Optical deflector, optical scanner, and image forming apparatus | Electricity | 17 | Active |
| US4749657A | Organic spill monitor | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5888646A | Surface acoustic wave device | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4569918A | Sulfur dioxide analysis system | Emerging Cross-Sectional Technologies | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.