Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480442 | Disk player capable of detecting different sizes of optical disks | Mitsuo Nakatani, Motonori Hoshino, Katsumi Watanabe | 2002-11-12 |
| 5748122 | Data processing apparatus and data processing method | Akio Shinagawa, Yuko Abe | 1998-05-05 |
| 5635932 | Lempel-ziv compression with expulsion of dictionary buffer matches | Akio Shinagawa, Yuko Abe | 1997-06-03 |