Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829271 | Light-emitting semiconductor device producing red wavelength optical radiation | Shunichi Sato, Naoto Jikutani | 2004-12-07 |
| 6814483 | Self-winding timepiece having train wheel setting apparatus | Mamoru Watanabe, Shigeo Suzuki, Takeshi Tokoro, Katsuyoshi Takizawa | 2004-11-09 |
| 6803604 | Semiconductor optical modulator, an optical amplifier and an integrated semiconductor light-emitting device | Shunichi Sato | 2004-10-12 |
| 6765232 | Semiconductor light-emitting device, surface-emission laser diode, and production apparatus thereof, production method, optical module and optical telecommunication system | Morimasa Kaminishi, Shunichi Sato, Akihiro Itoh, Naoto Jikutani | 2004-07-20 |
| 6678216 | Timepiece using spring as power | — | 2004-01-13 |
| 6674785 | Vertical-cavity, surface-emission type laser diode and fabrication process thereof | Shunichi Sato, Naoto Jikutani, Morimasa Kaminishi, Akihiro Itoh | 2004-01-06 |