Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6885823 | Wavelength multiplexing/demultiplexing unit, wavelength multiplexing/demultiplexing apparatus and wavelength multiplexing/demultiplexing method | Yasufumi Yamada, Taisuke Oguchi, Tatsuo Izawa | 2005-04-26 |
| 6718140 | Optical wavelength division multiplexing transmission network device | Shin Kamei, Senichi Suzuki, Akimasa Kaneko | 2004-04-06 |
| 6480639 | Optical module | Toshikazu Hashimoto, Yasufumi Yamada, Masahiro Yanagisawa, Yasuyuki Inoue | 2002-11-12 |
| 6222967 | Packaging platform, optical module using the platform, and methods for producing the platform and the module | Michiyuki Amano, Shunichi Tono, Hirotsugu Sato, Yasuaki Tamura, Yoshito Shuto +10 more | 2001-04-24 |
| 6164836 | Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit, and process for fabricating platform | Yasufumi Yamada, Shinji Mino, Ikuo Ogawa, Hiroshi Terui, Kaoru Yoshino +4 more | 2000-12-26 |
| 6027254 | Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit, and process for fabricating platform | Yasufumi Yamada, Shinji Mino, Ikuo Ogawa, Hiroshi Terui, Kaoru Yoshino +4 more | 2000-02-22 |
| 5621837 | Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit and process for fabricating platform | Yasufumi Yamada, Shinji Mino, Ikuo Ogawa, Hiroshi Terui, Kaoru Yoshino +4 more | 1997-04-15 |
| 5513285 | Compact optical switching module including thin-film heaters and trimmed thick-film fixed resistors | Toshiyuki Kawashima, Jiro Utsunomiya, Kiyoshi Kurosawa, Iida Saburo, Ryo Nagase +4 more | 1996-04-30 |
| 5436995 | Optical fiber connector unit and optical fiber connector | Takashi Yoshizawa, Shigemitsu Oguchi, Akira Nagayama, Kazunori Kanayama, Yashuhiro Ando | 1995-07-25 |
| 5327517 | Guided-wave circuit module and wave-guiding optical component equipped with the module | Yasufumi Yamada, Fumiaki Hanawa, Yasuyuki Inoue, Masayuki Okuno, Toru Maruno +2 more | 1994-07-05 |
| 5247594 | Waveguide-type optical matrix switch | Masayuki Okuno, Katsumi Katoh, Masao Kawachi | 1993-09-21 |