Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12005623 | Rubber material supplying method and rubber material supplying device | — | 2024-06-11 |
| 8534713 | Connecting structure of a double tube | Shoichi Doi | 2013-09-17 |
| 8511333 | Double pipe apparatus | Shoichi Doi | 2013-08-20 |
| 6744990 | WDM optical transmission system and an optical transmission line thereof | Masatoshi Suzuki, Noboru Edagawa, Hideaki Tanaka, Shinichi Nakagawa, Hidenori Taga +1 more | 2004-06-01 |
| 6091538 | Gain equalizing apparatus | Shigeyuki Akiba, Noboru Edagawa, Hidenori Taga | 2000-07-18 |
| 5978529 | Gain equalizer and optical amplifying transmission line | Hidenori Taga, Masatoshi Suzuki, Shu Yamamoto, Shigeyuki Akiba | 1999-11-02 |
| 5912750 | Optical transmission line | Takayuki Miyakawa, Hidenori Taga, Shigeyuki Akiba, Shu Yamamoto | 1999-06-15 |
| 5790289 | WDM optical communication method with pre-emphasis technique and an apparatus therefor | Hidenori Taga, Shu Yamamoto, Shigeyuki Akiba | 1998-08-04 |
| 5589969 | Wavelength division multiplexed optical fiber transmission equipment | Hidenori Taga, Noboru Edagawa, Shu Yamamoto, Shigeyuki Akiba | 1996-12-31 |
| 5559910 | Wavelength division multiplexed optical fiber transmission equiptment | Hidenori Taga, Noboru Edagawa, Shu Yamamoto, Shigeyuki Akiba | 1996-09-24 |