Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791776 | Apparatus for information recording and reproducing | Takushi Nishiya, Hideyuki Yamakawa, Takashi Nara, Nobuaki Nakai, Hiroshi Ide +2 more | 2004-09-14 |
| 6782172 | Optical fiber, optical transmission line and dispersion compensating module | Masaaki Hirano | 2004-08-24 |
| 6778031 | High-frequency circuit device using slot line and communication apparatus having high frequency circuit device | Takahiro Baba, Koichi Sakamoto, Shigeyuki Mikami, Hiroyasu Matsuzaki, Yohei Ishikawa +1 more | 2004-08-17 |
| 6748152 | Optical transmission system | Yuji Kubo, Masashi Onishi | 2004-06-08 |
| 6731847 | Optical fiber | Kazuhiro Okamoto, Mitsuomi Hada, Shinjiro Hagihara, Morio Watanabe, Kohei Kobayashi | 2004-05-04 |
| 6729777 | Optical fiber splicing method and optical transmission line | Tomonori Kashiwada, Keiichiro Fukuda, Noriko Iwata | 2004-05-04 |
| 6681072 | Optical fiber, method of making optical fiber preform, and method of making optical fiber | Katsuya Nagayama, Kiichiro Kawasaki | 2004-01-20 |