Issued Patents 2004
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789095 | File management method, program therefore, recording medium containing the program, and file management apparatus for performing the method | Hiroyuki Okuda, Hideyuki Ishihara, Masahiro Okuno, Tomohisa Takaoka | 2004-09-07 |
| 6782151 | Raman amplifier, optical transmission system and optical fiber | Eisuke Sasaoka, Masayuki Nishimura | 2004-08-24 |
| 6778259 | Photo film advancing device having a guide holder and a photo film carrier | Chukei Tsuchida | 2004-08-17 |
| 6769822 | Optical fiber composite and optical fiber cable and production method thereof | Masayuki Nishimura | 2004-08-03 |
| 6744954 | Submarine optical cable, optical fiber unit employed in the submarine optical cable, and method of making optical fiber unit | Eisuke Sasaoka, Itaru Sakabe, Takeo Tsurumi, Yasushi Ito | 2004-06-01 |
| 6741482 | Power conversion device | Hajime Yamamoto, Hiroshi Uchino | 2004-05-25 |
| 6727001 | Layered film and packaging material | Motonori Hochi, Kusato Hirota | 2004-04-27 |
| 6724525 | Raman amplifying control unit and optical transmission system | Toshiaki Okuno, Eisuke Sasaoka, Masayuki Nishimura | 2004-04-20 |
| 6711331 | Optical fiber | Eisuke Sasaoka | 2004-03-23 |
| 6692290 | Terminal fitting | Makoto Yamanashi, Kei Sato, Takuya Hasegawa | 2004-02-17 |
| 6690872 | Silica based optical waveguide and production method therefor | Takashi Sasaki, Shigeru Hirai, Nobuhiro Akasaka, Chisai Hirose | 2004-02-10 |
| 6686009 | Tray for carrying magnetoresistive head of magnetic disk | Koichi Sagisaka, Tomohiro Kaniwa, Mitsuo Sato, Michiaki Sakatoku | 2004-02-03 |