Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7957616 | Method of producing an optical connecting component, and optical connecting component | Wataru Sakurai, Kazuhito Saito | 2011-06-07 |
| 7521660 | Optical signal processor and optical signal processing method for processing optical signals in optical communications systems | Michiko Takushima, Osamu SHIMAKAWA, Tatsuhiko Tanaka, Masakazu Shigehara | 2009-04-21 |
| 7277607 | Optical multiplexer/demultiplexer, optical device, and optical transmission system | Michiko Takushima | 2007-10-02 |
| 7272278 | Optical multiplexer/demultiplexer | Michiko Takushima | 2007-09-18 |
| 7106924 | Optical switching device and optical transmission system | Michiko Takushima, Makoto Katayama | 2006-09-12 |
| 7062120 | Optical device and movable reflector | Manabu Shiozaki, Makoto Katayama, Michiko Takushima | 2006-06-13 |
| 7016570 | Optical signal processor | Michiko Takushima | 2006-03-21 |
| 6996309 | Optical signal processor | Yuji Ikeda, Michiko Takushima, Yoshikazu Kanai | 2006-02-07 |
| 6983089 | Method of fabricating optical signal processor | Michiko Takushima, Osamu SHIMAKAWA, Tatsuhiko Tanaka | 2006-01-03 |
| 6965479 | Optical filter, interleaver, and optical communication system | Hiroshi Suganuma, Tamoya Kenmochi, Tetsuya Iimura, Manabu Shiozaki | 2005-11-15 |
| 6927913 | Optical signal processing apparatus | Michiko Takushima, Hiroshi Suganuma, Tatsuhiko Tanaka | 2005-08-09 |
| 6903884 | Optical device and fixing member used in the device | Hiroshi Suganuma, Tatsuhiko Tanaka | 2005-06-07 |
| 6898002 | Optical device, optical module, optical amplifier, and optical transmission system | Masayuki Shigematsu, Kenichiro Takahashi, Akira Inoue, Toshikazu Shibata | 2005-05-24 |
| 6892003 | Variable dispersion compensator and optical transmission system | Makoto Katayama, Toshiaki Okuno, Masayuki Nishimura, Masakazu Shigehara, Hiroshi Suganuma +2 more | 2005-05-10 |
| 6886998 | Method for fusion splicing optical fibers and apparatus for heating spliced part by arc | Osamu Kasuu, Motonori Nakamura, Tomomi Moriya, Shinji Kayou | 2005-05-03 |
| 6854293 | Method for fusion splicing of optical fibers | Osamu Kasuu, Motonori Nakamura, Tomomi Moriya, Shinji Kayou | 2005-02-15 |
| 6825981 | Optical signal processor | Michiko Takushima, Makoto Katayama, Masakazu Shigehara | 2004-11-30 |
| 6823114 | Optical signal processing apparatus | Michiko Takushima, Hiroshi Suganuma, Tatsuhiko Tanaka | 2004-11-23 |
| 6823106 | Optical multiplexer/demultiplexer and adjustment method thereof | Michiko Takushima, Hiroshi Suganuma, Masakazu Shigehara | 2004-11-23 |
| 6810170 | Optical signal processor | Michiko Takushima, Hiroshi Suganuma | 2004-10-26 |
| 6768591 | Interleaver | Hiroshi Suganuma, Tamoya Kenmochi, Tetsuya Iimura | 2004-07-27 |
| 6724539 | Interleaver | Tamoya Kenmochi, Hiroshi Suganuma, Tetsuya Iimura | 2004-04-20 |
| 5590227 | Optical connector apparatus | Keiji Osaka, Takeo Komiya, Yasuo Asano, Hidetoshi Takasugi, Kazuhiko Arimoto | 1996-12-31 |
| 4630042 | Wired commodity vending system | Kikuo Kawasaki, Hitoshi Yamamoto | 1986-12-16 |
| 4553211 | Vending machine with doors | Kikuo Kawasaki | 1985-11-12 |