Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7196833 | Apparatus for simultaneous OTDM demultiplexing, electrical clock recovery and optical clock generation, and optical clock recovery | Zhaoyang Hu, Hsu-Feng Chou, Daniel J. Blumenthal, John E. Bowers, Ryo Inohara +1 more | 2007-03-27 |
| 7184189 | Apparatus for simultaneous OTDM demultiplexing, electrical clock recovery and optical clock generation, and optical clock recovery | Zhaoyang Hu, Hsu-Feng Chou, Daniel J. Blumenthal, John E. Bowers, Ryo Inohara +1 more | 2007-02-27 |
| 6907152 | Ring resonator | Hidenori Takahashi, Masashi Usami | 2005-06-14 |
| 6403391 | Semiconductor light emitting device and method for manufacturing the same | Yasuyuki Nagao | 2002-06-11 |
| 6037612 | Semiconductor light emitting device having nanostructure porous silicon and mesostructure porous silicon | Yasuyuki Nagao | 2000-03-14 |
| 5450813 | Method for manufacturing nitrogen-doped group II-VI compound semiconductor thin films | Yasuyuki Nagao, Kazuo Sakai | 1995-09-19 |
| 5423284 | Method for growing crystals of N-type II-VI compound semiconductors | Kazuo Sakai, Yasuyuki Nagao | 1995-06-13 |
| 5010376 | Light emitting heterojunction semiconductor device | Kazuo Sakai | 1991-04-23 |
| 4992837 | Light emitting semiconductor device | Kazuo Sakai, Yukitoshi Kushiro | 1991-02-12 |