Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7874725 | Optical fiber temperature distribution measuring apparatus, method for measuring optical fiber temperature distribution, and optical fiber temperature distribution measuring system | Hidehiko Komeda, Tsuyoshi Igi, Fumiyoshi Ohkubo, Kazuaki Negishi | 2011-01-25 |
| 7773847 | Multimode optical fiber | Kazuaki Negishi, Itaru Sakabe, Masahiko Matsui, Masashi Onishi, Tetsuya Nakanishi | 2010-08-10 |
| 7379646 | Optical fiber product, method of fabricating optical cable, and characteristic evaluation method | Hiroyoshi Yamamoto, Yasuhiro Naganuma | 2008-05-27 |
| 7043131 | Optical device and a making method thereof | Eisuke Sasaoka, Shigeru Tanaka, Kohei Kobayashi, Masashi Onishi, Kenji Tamano +1 more | 2006-05-09 |
| 6650821 | Optical device and a making method thereof | Eisuke Sasaoka, Shigeru Tanaka, Kohei Kobayashi, Masashi Onishi, Kenji Tamano +1 more | 2003-11-18 |
| RE38086 | Dispersion compensating fiber and optical transmission system including the same | Masashi Onishi, Hiroo Kanamori, Masayuki Nishimura, Tomonori Kashiwada | 2003-04-22 |
| 6546180 | Coiled optical assembly and fabricating method for the same | Eisuke Sasaoka, Shigeru Tanaka, Kohei Kobayashi, Masashi Onishi | 2003-04-08 |
| 6055081 | Chromatic dispersion compensator and chromatic dispersion compensating optical communication system | Masayuki Shigematsu | 2000-04-25 |
| 5838867 | Dispersion compensating fiber and optical transmission system including the same | Masashi Onishi, Hiroo Kanamori, Masayuki Nishimura, Tomonori Kashiwada | 1998-11-17 |
| 5701188 | Chromatic dispersion compensator and chromatic dispersion compensating optical communication system | Masayuki Shigematsu | 1997-12-23 |