Issued Patents 2003
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665330 | Semiconductor device having a semiconductor ring laser with a circularly formed ridge optical waveguide | — | 2003-12-16 |
| 6658039 | Ring laser and method for driving a ring laser | — | 2003-12-02 |
| 6656759 | Method of producing semiconductor element, semiconductor element, and gyroscope | Koichiro Nakanishi | 2003-12-02 |
| 6639680 | Ring laser gyro and driving method therefor with improved driving current | — | 2003-10-28 |
| 6631002 | Control of laser beams in a ring laser gyro | — | 2003-10-07 |
| 6603113 | Gyro comprising a ring laser in which beams of different oscillation frequencies coexist and propagate in mutually opposite circulation directions, driving method of gyro, and signal detecting method | — | 2003-08-05 |
| 6586725 | Optical gyro, driving method and signal processing method therefor | Natsuhiko Mizutani | 2003-07-01 |
| 6566155 | Method of manufacturing semiconductor device and gyro | — | 2003-05-20 |
| 6559949 | Gyro apparatus and gyroscope with multiple interfering laser beams affecting an electrical signal flowing therethrough | — | 2003-05-06 |