Yoshihisa Warashina
40Patents
7h-index
37Co-inventors
69Inventor score
Filing activity: Jul 6, 1989 → Feb 20, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5534992A | Optical measuring apparatus | Physics | 60 | Expired |
| US6071016A | Light receiving module for optical communication and light receiving unit thereof | Electricity | 31 | Expired |
| US6155724A | Light transmitting module for optical communication and light transmitting unit thereof | Electricity | 28 | Expired |
| US10589985B2 | Actuator device | Performing Operations; Transporting | 24 | Active |
| US7254301B2 | Optical module | Electricity | 15 | Expired |
| US7486846B2 | Optical transmitting /receiving module | Physics | 10 | Expired |
| US6880985B2 | Optical module | Physics | 8 | Expired |
| US7433554B2 | Optical wiring board and method for manufacturing optical wiring board | Electricity | 7 | Expired |
| US8548284B2 | Optical element module and method of manufacturing the same | Electricity | 6 | Active |
| US5044744A | Method and apparatus for distance measurement using electromagnetic waves | Physics | 4 | Expired |
| US9253418B2 | Infrared image sensor and signal read method | Electricity | 2 | Active |
| US7226219B2 | High-frequency signal transmitting optical module and method of fabricating the same | Electricity | 2 | Expired |
| US5068815A | Optical full adder | Physics | 2 | Expired |
| US8564036B2 | Photodetector for detecting energy line in a first wavelength region and in a second wavelength region | Electricity | 2 | Active |
| US5051573A | Optical logic operation system | Electricity | 2 | Expired |
| US5109358A | Optical flip-flop circuit | Physics | 1 | Expired |
| US10670461B2 | Optical interferometer | Physics | 1 | Active |
| US11952265B2 | Actuator device | Performing Operations; Transporting | 1 | Active |
| US10422696B2 | Optical module | Physics | 1 | Active |
| US11598951B2 | Optical unit | Physics | 1 | Active |
| US5020064A | Electromagnetic wave device | Electricity | 1 | Expired |
| US9372285B2 | Production method for optical component and optical component | Physics | 1 | Active |
| US8335031B2 | Optical module | Performing Operations; Transporting | 1 | Active |
| US8828250B2 | Optical element module and method of manufacturing the same | Electricity | 0 | Active |
| US11339050B2 | Actuator device | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.