Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832293 | Audio playback apparatus and method for resuming interrupted playback recording | Hideki Matsushima, Teruto Hirota, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka | 2004-12-14 |
| 6779116 | Playback apparatus and playback method | Hideki Matsushima, Teruto Hirota, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka | 2004-08-17 |
| 6738319 | Recording medium, recording apparatus and reproduction apparatus | Masataka Minami, Masayuki Kozuka | 2004-05-18 |
| 6661746 | Rewritable recording medium with multiple reproduction path information for common digital data | Masataka Minami, Masayuki Kozuka | 2003-12-09 |
| 6647496 | Semiconductor memory card | Hideki Matsushima, Teruto Hirota, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka | 2003-11-11 |
| 6636773 | Semiconductor memory card, apparatus for recording data onto the semiconductor memory card, and apparatus for reproducing data of the semiconductor memory card | Hideki Matsushima, Teruto Hirota, Tomokazu Ishikawa, Shinji Inoue, Masayuki Kozuka | 2003-10-21 |
| 6615192 | Contents copying system, copying method, computer-readable recording medium and disc drive copying contents but not a cipher key via a host computer | Mitsuhiro Inoue, Shunji Harada, Masayuki Kozuka, Shoichi Aoyama, Yukako Ohtani +1 more | 2003-09-02 |
| 6393196 | Multimedia stream generating method enabling alternative reproduction of video data, and a multimedia optical disk authoring system | Yasuhiko Yamane, Takumi Hasebe, Kazuhiko Nakamura, Hideki Fukuda, Tomoyuki Okada +2 more | 2002-05-21 |
| 6351442 | Recording medium, recording apparatus and reproduction apparatus with reproduction path flag information | Masataka Minami, Masayuki Kozuka | 2002-02-26 |
| 6118445 | System stream reproduction control information editing apparatus and a recording medium on which the method used therein is recorded | Tomoyuki Nonomura, Mitsuhiro Inoue, Yasushi Uesaka, Masayuki Kozuka | 2000-09-12 |
| 6061173 | Wavelength-division-multiplexing optical amplifier | Kazuo Yamane, Michikazu Shima, Yumiko Kawasaki, Shinya Inagaki, Norifumi Shukunami | 2000-05-09 |
| 5764404 | Wavelength-division-multiplexing optical amplifier | Kazuo Yamane, Michikazu Shima, Yumiko Kawasaki, Shinya Inagaki, Norifumi Shukunami | 1998-06-09 |
| 5745283 | Method and apparatus for controlling optical amplifier used for optically amplifying wavelength-division multiplexed signal | Shinya Inagaki, Norifumi Shukunami, Nobuhiro Fukushima | 1998-04-28 |
| 5508842 | Optical amplifier | Keiko Takeda, Sakae Yoshizawa, Sinya Inagaki, Kazuya Sasaki | 1996-04-16 |
| 5467218 | Optical fiber amplifier | Keiko Takeda, Shinya Inagaki, Kazuya Sasaki | 1995-11-14 |
| 5327282 | Optical amplifier for 1.3 .mu.m band | Keiko Takeda, Shinya Inagaki | 1994-07-05 |
| 5276549 | Optical transmitter including rare earth-doped fiber | Shinya Inagaki, Keiko Takeda, Osamu Oyama | 1994-01-04 |
| 5155621 | Optical fiber amplifier | Keiko Takeda, Shinya Inagaki, Osamu Oyama | 1992-10-13 |
| 5140598 | Fiber optic amplifier | Shinya Inagaki, Keiko Takeda | 1992-08-18 |
| 5065011 | Photodetector module for coupling with optical fiber | Makoto Fujihara, Nobuyoshi Horigome, Kaoru Moriya, Akira Okamoto, Gan Oda | 1991-11-12 |