Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7389033 | Planar lightwave circuit type variable optical attenuator | Yasuaki Hashizume, Takashi Saida, Akio Sugita | 2008-06-17 |
| 7373577 | CAN system | Toshiyuki Uemura | 2008-05-13 |
| 7313297 | Wavelength multi/demultiplexer | Masahiro Yanagisawa, Taisuke Oguchi, Yoshinori Hibino, Yasuhiro Hida, Motohaya Ishii | 2007-12-25 |
| 7245793 | Optical waveguide circuit | Shin Kamei, Takuya Tanaka, Toshikazu Hashimoto | 2007-07-17 |
| 7212886 | Robot control apparatus and method | Hideo Nagata, Kenichi Yasuda | 2007-05-01 |
| 7127325 | Controllable object remote control and diagnosis apparatus | Hideo Nagata, Ken'ichi Yasuda, Hiroyuki Handa | 2006-10-24 |
| 7085438 | Optical multi/demultiplexing circuit equipped with phase generating device | Takayuki Mizuno, Tsutomu Kitoh, Manabu Oguma | 2006-08-01 |
| 6937797 | Planar lightwave circuit and optical circuit | Takayuki Mizuno, Tsutomu Kitoh, Yoshinori Hibino, Mikitaka Itoh, Takashi Saida +1 more | 2005-08-30 |
| 6919701 | Robot controller | Hideo Nagata, Ken'ichi Yasuda, Toshiyuki Kurebayashi | 2005-07-19 |
| 6904204 | Array waveguide diffraction grating type optical multiplexer/demultiplexer | Yasuhiro Hida, Toshiumi Kominato | 2005-06-07 |
| 6823094 | Interferometer and its fabrication method | Takashi Goh, Makoto Abe, Masayuki Okuno, Takashi Saida | 2004-11-23 |
| 6775454 | Silica-based optical waveguide circuit and fabrication method thereof | Mikitaka Itoh, Takashi Saida, Yasuhiro Hida | 2004-08-10 |
| 6757454 | Polarization desensitized optical waveguide interferometer | Yasuaki Hashizume, Yoshinori Hibino, Akio Sugita, Yasuhiro Hida, Hiroshi Takahashi | 2004-06-29 |
| 6735358 | Optical multiplexer and optical demultiplexer | Tsutomu Kitoh, Manabu Oguma, Yoshinori Hibino, Kaname Jinguji | 2004-05-11 |
| 6731828 | Waveguide-type optical signal processing circuit | Tsutomu Kitou, Manabu Oguma, Takayuki Mizuno, Yoshinori Hibino, Masaki Koutoku | 2004-05-04 |
| 6580862 | Optical waveguide circuit | Toshimi Kominato, Akio Sugita, Mikitaka Itoh, Yasuhiro Hida | 2003-06-17 |
| 6546161 | No polarization dependent waveguide type optical circuit | Masayuki Okuno, Akira Himeno, Yoshinori Hibino | 2003-04-08 |
| 6480639 | Optical module | Toshikazu Hashimoto, Yasufumi Yamada, Masahiro Yanagisawa, Kuniharu Kato | 2002-11-12 |
| 6434325 | Electronic device with device information display | Yasushi Noda | 2002-08-13 |
| 6320888 | Frequency stabilized laser and method for preparing thereof | Takuya Tanaka, Hiroshi Takahashi, Akimasa Kaneko, Akira Himeno | 2001-11-20 |
| 6317699 | Device and method for calibrating a robot | Shinsuke Watanabe, Hirotaka Morita, Hideo Nagata, Youichi Tanaka | 2001-11-13 |
| 6304687 | Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuit | Akimasa Kaneko, Hiroshi Takahashi, Fumiaki Hanawa, Kuninori Hattori, Kenji Yokoyama +9 more | 2001-10-16 |
| 6212443 | Teaching unit for robots | Hideo Nagata, Youichi Tanaka, Hirotaka Morita | 2001-04-03 |
| 6115514 | Optical waveplate, method of manufacturing the same, and waveguide device using the same | Shinji Ando, Takashi Sawada | 2000-09-05 |
| 6084050 | Thermo-optic devices | Naoki Ooba, Toshio Watanabe, Takashi Kurihara, Saburo Imamura, Shoichi Hayashida +3 more | 2000-07-04 |