Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |