Issued Patents All Time
Showing 76–100 of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831777 | Optical transmission system and method | Toshiki Tanaka | 2004-12-14 |
| 6814804 | Apparatus and method for printing solder paste | Hiroaki Onishi, Shoji Sato, Takaaki Higashida, Akira Kabeshita | 2004-11-09 |
| 6791744 | Raman amplification optical fiber, optical fiber coil, raman amplifier, and optical communication system | Eisuke Sasaoka, Motoki Kakui, Masashi Onishi, Toshiki Tanaka | 2004-09-14 |
| 6738181 | Optical sending apparatus and channel extension method | Hiroshi Nakamoto, Terumi Chikama | 2004-05-18 |
| 6694875 | Screen printing method and screen printing apparatus | Ken Takahashi, Naoichi Chikahisa, Yousuke Nagasawa, Akihiko Wachi, Seishiro Yanachi +2 more | 2004-02-24 |
| 6681082 | Wavelength division multiplexing optical transmission system, optical amplifier and dispersion compensator | Toshiki Tanaka | 2004-01-20 |
| 6671083 | Raman amplifier and optical transmission system | Toshiki Tanaka, Kenichi Torii | 2003-12-30 |
| 6659005 | Screen printing method and screen printing apparatus | Ken Takahashi, Naoichi Chikahisa, Yousuke Nagasawa, Akihiko Wachi, Seishiro Yanachi +2 more | 2003-12-09 |
| 6639715 | Raman amplifier and optical transmission system using the amplifier | Toshiki Tanaka | 2003-10-28 |
| 6630517 | Process for hydrolyzing and recycling a polyurethane | Satoshi Nishida, Osamu Kato, Yoshiyuki Nagase, Ryuichi Fukuzato, Masahiro Yamagata +3 more | 2003-10-07 |
| 6574038 | Optical transmission path having sections which overcompensate for dispersion occurring in the sections | Toshiki Tanaka | 2003-06-03 |
| 6538786 | Optical communication system and optical reception apparatus using synchronous polarization scrambler | — | 2003-03-25 |
| 6494671 | Method and apparatus for collectively changing components at component supply section | Susumu Takaiti, Kazuhiko Narikiyo, Kanji Hata, Yoshinori Seki, Takeshi Kuribayashi +1 more | 2002-12-17 |
| 6480658 | Optical fiber transmission line for wavelength division multiplexing transmission system | Masuo Suyama, Jose Chesnoy, Olivier Gautheron | 2002-11-12 |
| 6431338 | Clutch apparatus | Tomomitsu Terakawa, Naoyuki Maki, Tetsuya Kohno | 2002-08-13 |
| 6433923 | Optical transmission path having sections which overcompensate for dispersion occurring in the sections | Toshiki Tanaka | 2002-08-13 |
| 6427043 | Wavelength dispersion compensating method and optical transmission system | — | 2002-07-30 |
| 6409003 | Clutch control apparatus | Naoyuki Maki, Tomomitsu Terakawa, Tetsuya Kohno | 2002-06-25 |
| 6395335 | Apparatus and method for printing solder paste | Hiroaki Onishi, Shoji Sato, Takaaki Higashida, Akira Kabeshita | 2002-05-28 |
| 6324317 | Wavelength division multiplexing optical transmission system | Toshiki Tanaka | 2001-11-27 |
| 6317249 | Optical modulator outputting an optical signal with a drive voltage signal dependent upon an input signal | Hiroshi Nakamoto, Kazunori Hayami, Shinji Sonoda | 2001-11-13 |
| 6268955 | Optical amplifier and wave length division multiplexed light transmission system | Naomasa Shimojoh | 2001-07-31 |
| 6237490 | Screen printing method and screen printing apparatus | Ken Takahashi, Naoichi Chikahisa, Yousuke Nagasawa, Akihiko Wachi, Seishiro Yanachi +2 more | 2001-05-29 |
| 6217669 | Cleaning apparatus and cleaning method | Eigo Sarashina, Ken Takahashi, Masuo Masui | 2001-04-17 |
| 6105495 | Screen printing apparatus and screen printing method | Ken Takahashi, Syoji Sato, Hiroaki Onishi, Koji Mitsushiro | 2000-08-22 |