Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8078037 | Information reproducing apparatus and method, and computer program | Sumie Ajiki, Kazuo Ishikawa, Tetsuya Onishi | 2011-12-13 |
| 8068180 | AV processor and program | Yoshitaka Nojima, Kazuo Ishikawa | 2011-11-29 |
| 7047323 | Data processing apparatus, data processing method and data recording medium on which a data processing program that can be read by a computer is recorded | — | 2006-05-16 |