Issued Patents All Time
Showing 26–50 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7860397 | Wavelength superimposing device, manufacturing method therefor, and WDM network system | Koji Terada | 2010-12-28 |
| 7847995 | MEMS device and optical switch | Takashi Shimizu | 2010-12-07 |
| 7805047 | Optical transmission system | Kenji Rikimaru, Yuji Ishii | 2010-09-28 |
| 7676152 | Optical power monitor for PON telecommunication | Tetsuji Yamabana, Satoshi Ide | 2010-03-09 |
| 7670015 | Optical switch controller and movable body controller | Satoshi Ide, Kensuke Takahashi, Toru Matsuyama | 2010-03-02 |
| 7653312 | Multiple bit rate optical communication method, optical network unit and optical line terminal | — | 2010-01-26 |
| 7596290 | Optical-switch testing apparatus, optical-signal switching apparatus, optical-switch testing method, and control method for optical-signal switching | Yoshio Sakai, Yuji Tochio, Atsuo Ishizuka | 2009-09-29 |
| 7466915 | Mirror controller for optical switch | Yuji Ishii, Tamotsu Akashi, Yoshio Sakai | 2008-12-16 |
| 7467171 | Digital filter device | Yuji Ishii, Kenji Rikimaru, Yuji Tochio | 2008-12-16 |
| 7440649 | Wavelength selective switch module | Yoshio Sakai, Satoshi Ide | 2008-10-21 |
| 7398019 | Control apparatus and control method of optical signal exchanger | Yuji Tochio, Tetsuji Yamabana, Ichiro Watanabe, Yuji Ishii | 2008-07-08 |
| 7361884 | Polarization independent optical isolator and optical transmitting/receiving apparatus | Hiromasa Tanaka | 2008-04-22 |
| 7277606 | Optical switch device | Yoshio Sakai | 2007-10-02 |
| 7239773 | Optical-switch testing apparatus, optical-signal switching apparatus, optical-switch testing method, and control method for optical-signal switching | Yoshio Sakai, Yuji Tochio, Atsuo Ishizuka | 2007-07-03 |
| 7233741 | Optical exchange for wavelength division multiplexed (WDM) network, and optical exchange method for WDM network | Atsuo Ishizuka | 2007-06-19 |
| 7196310 | Light receiving device for optical communication system | Ken-ichi Nakamoto, Satoshi Ide, Hiromasa Tanaka | 2007-03-27 |
| 7155125 | Control apparatus and control method for optical switch using MEMS mirrors | — | 2006-12-26 |
| 7122786 | Controlling apparatus and controlling method of optical switching device | Yuji Tochio | 2006-10-17 |
| 7035496 | Drive unit for optical switch | Shinji Yamashita | 2006-04-25 |
| 6995896 | Tilt mirror controlling apparatus and method | Tetsuji Yamabana | 2006-02-07 |
| 6960883 | Flash lamp device and flash emitting device | Takahumi Mizoziri, Kenichiro Matsushita | 2005-11-01 |
| 6901222 | Optical transmission system and terminal device applicable to the system | Shinji Yamashita, Tamotsu Akashi | 2005-05-31 |
| 6844640 | Electrical equipment for mounting on vehicles, electrical machines, and manufacturing methods of the same | Mitsutoshi Abe, Shigeru Yumiyama | 2005-01-18 |
| 6772032 | Semiconductor device manufacturing line | Junji Iwasaki | 2004-08-03 |
| 6760147 | Control apparatus and control method of optical signal exchanger | Yuji Tochio | 2004-07-06 |