Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936794 | Media library system using media management scheme for reducing recording medium access time | Makoto Mizukami, Kikuji Katoh, Yoshihiro Isomura, Yoshihiro Sako | 1999-08-10 |
| 5598385 | Media library system with improved media management scheme | Makoto Mizukami, Shigetaro Iwatsu, Masao Sakai, Masahiro Ueno, Kikuji Katou | 1997-01-28 |
| 5179561 | Totally self-checking checker | Hiroki Arakawa | 1993-01-12 |
| 4833665 | Information recording control system reusing a defective area | Kenji Tokumitsu, Takashi Doi, Michio Miyazaki, Yuji Yamane, Toru Takeda | 1989-05-23 |