Jun Ichihara
12Patents
5h-index
11Co-inventors
63Inventor score
Filing activity: Apr 29, 1997 → May 13, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5814532A | Method of manufacturing semiconductor laser | Electricity | 90 | Expired |
| US6247851A | Optical connector employing an optical fiber connector plug | Physics | 47 | Expired |
| US6353491B1 | Optical communication module | Electricity | 20 | Expired |
| US6775310B2 | Semiconductor light emitting device and manufacturing method thereof | Electricity | 20 | Expired |
| US7376312B2 | Optical module and method for manufacturing the same | Physics | 15 | Active |
| US6083841A | Method of etching gallium-nitride based compound semiconductor layer and method of manufacturing semiconductor light emitting device utilizing the same | Electricity | 5 | Expired |
| US6711198B1 | Light source device for laser beam printer | Electricity | 1 | Expired |
| US7492025B2 | Photo coupler | Electricity | 0 | Active |
| US10663701B2 | Aspherical cemented lens | Physics | 0 | Active |
| US6856635B2 | Surface light emitting type semiconductor laser having a vertical cavity | Electricity | 0 | Expired |
| US11768120B2 | Diaphragm vacuum gauge with decreased parasitic capacitance | Physics | 0 | Active |
| US11740151B2 | Adjustable self-heating diaphragm vacuum gauge | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.