Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667952 | Optical storage medium having a specific light transmitting layer for small laser beam and high linear velocity | Tsuyoshi Komaki, Hideki Hirata | 2003-12-23 |
| 6665260 | Optical recording medium including protruding winding parts used as prepits | Hajime Utsunomiya, Hiroyasu Inoue, Hideki Hirata | 2003-12-16 |
| 6646674 | TV telephone system | — | 2003-11-11 |
| 6643086 | Tape driving apparatus | Takao Hiramoto, Yoshihisa Takayama, Kazuyuki Hirooka, Kenichiro Kikukawa | 2003-11-04 |
| 6618349 | Optical recording medium and its designing method | Hiroyasu Inoue, Hajime Utsunomiya, Hiroshi Shingai, Tetsuro Mizushima | 2003-09-09 |
| 6611394 | Recording medium, tape drive, and method for identifying type of recording medium | Katsumi Ikeda, Osamu Nakamura, Yasuaki Kano, Katsumi Maekawa, Yoshihisa Takayama | 2003-08-26 |
| 6605328 | Optical recording medium | Hiroshi Shingai, Hiroyasu Inoue, Hajime Utsunomiya, Yoshitomo Tanaka | 2003-08-12 |
| 6539001 | Visual telephone apparatus and data compression multiplexing method therefor as well as recording medium on which data compression multiplexing control program is recorded | — | 2003-03-25 |