SHOWA OPTRONICS CO., LTD.
7Patents
5Active
7Granted
39Portfolio score
Filing activity: Apr 23, 1997 → Feb 7, 2017 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5805748A | Laser beam shaping system | Electricity | 15 | Expired |
| US8662761B2 | Laser optical system using optical fiber transmission | Electricity | 11 | Active |
| US8796582B2 | Laser welding apparatus and method | Performing Operations; Transporting | 9 | Active |
| US7479635B2 | Infrared detector package | Electricity | 6 | Active |
| US7187703B2 | Intracavity sum-frequency mixing laser | Electricity | 4 | Expired |
| US7851903B2 | Infrared detector with plurality of metallization between first and second container members | Electricity | 2 | Active |
| US10615569B2 | Semiconductor laser with external resonator | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.