Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8165298 | Quantum cryptography communication apparatus and communication terminal | Yohei Kawamoto, Takuya Hirano, Masakazu Ukita | 2012-04-24 |
| 7072583 | Optical communication method and apparatus | Yoshinobu Kure, Kazuyoshi Horie, Youichi Toriumi, Yoshifumi Masuda, Kazuhito Nagura | 2006-07-04 |
| 7062170 | Optical communication system | Yoichi Toriumi | 2006-06-13 |
| 6643468 | Optical communication system, optical transmitting apparatus, optical receiving apparatus, optical communication method, and storage medium | — | 2003-11-04 |
| 6522487 | Optical apparatus | Akihiko Memezawa, Kei Sato, Kazuyoshi Horie | 2003-02-18 |
| 6480308 | Optical communication apparatus | Hideki Yoshida, Youichi Toriumi, Kazuyoshi Horie, Keniti Ookubo | 2002-11-12 |
| 6443628 | Optical fiber connecting device, electronic equipment, network system and optical fiber connecting method | Kazuyoshi Horie, Kenichi Ookubo | 2002-09-03 |
| 6433942 | Optical apparatus | Akihiko Memezawa, Kei Sato, Kazuyoshi Horie | 2002-08-13 |
| 6351584 | Optical transmitter-receiver and optically sending/receiving method | Kazuyoshi Horie, Yoichi Toriumi, Hideki Yoshida, Kenichi Ookubo | 2002-02-26 |
| 6349082 | Optical disc apparatus | Kazuyoshi Horie, Shigeo Kubota | 2002-02-19 |
| 5426629 | Recording and/or reproducing method for an optical disc | Kimihiro Saitou, Tamotsu Ishii | 1995-06-20 |
| 5130521 | Optical card recording apparatus | Hiroshi Ohki | 1992-07-14 |
| 4241926 | Tone arm assembly | Satoshi Kusaka | 1980-12-30 |
| 4214757 | Tone arm assembly | Satoshi Kusaka | 1980-07-29 |
| 4184688 | Tone arm assembly | Yoshimoto Omura, Hideo Hara, Isao Kawashima, Keisuke Sekiguchi | 1980-01-22 |