Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6985505 | Semiconductor laser diode and optical module | Etsuko Nomoto, Kouji Nakahara, Shinji Tsuji | 2006-01-10 |
| 6931215 | Optical transmitter module | Kazuyuki Fukuda, Hideyuki Kuwano, Yoshitaka Fujiwara | 2005-08-16 |
| 6332720 | Semiconductor laser coupling device and method for assembling the same on circuit board | Tadaaki Ishikawa, Kazuyuki Fukuda, Katsumi Kuroguchi | 2001-12-25 |
| 5675685 | Optical semiconductor array module, method of fabricating the module, and external board mounting structure of the module | Kazuyuki Fukuda, Satoshi Kaneko, Kazuhiro Ito, Shinzo Nishiyama, Shigefumi Kito +3 more | 1997-10-07 |
| 5671316 | Connecting structure of optical fiber to optical waveguide | Toshiya Yuhara, Hisao Iitsuka, Kazuyuki Fukuda, Tetsuo Kumazawa | 1997-09-23 |
| 5195155 | Optical coupling apparatus and manufacturing method of the same, and lens holder | Tetsuo Kumazawa, Yasutoshi Yagiu, Atsushi Sasayama | 1993-03-16 |
| 5046798 | Semiconductor light emitting device and apparatus using the same | Yasutoshi Yagiu, Tetsuo Kumazawa, Kunio Aiki | 1991-09-10 |
| 4880290 | Opto-electronic device and method for producing the device | Tetsuo Kumazawa, Kazuyuki Fukuda, Eiichi Adachi | 1989-11-14 |