Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7895076 | Advertisement insertion, profiling, impression, and feedback | Ken Kutaragi, Masayuki Chatani, Kan Ebisawa, Shinichi Okamoto, Keiso Shimakawa +4 more | 2011-02-22 |
| 7761328 | In-contents advertising method, in-contents advertising server, and program-transferring medium for realizing in-contents advertising | Ken Kutaragi, Shinichi Okamoto, Keiso Shimakawa, Yutaka Kagiwada | 2010-07-20 |
| 7178037 | Computer program copy management system | Muneki Shimada, Shinichi Okamoto, Masaharu Yoshimori, Tsutomu Inui, Keiso Shimakawa +2 more | 2007-02-13 |
| 5828638 | Disc data reproducing apparatus and signal processing circuit | Jun Inagawa, Yasuhiro Hayashi | 1998-10-27 |
| 5815476 | Disc data reproducing apparatus and signal processing circuit | Jun Inagawa, Yasuhiro Hayashi | 1998-09-29 |
| 5729515 | Disc data reproducing apparatus and signal processing circuit for reproducing and processing disc data having a plurality of type data | Jun Inagawa, Yasuhiro Hayashi | 1998-03-17 |
| 5132640 | Differential current amplifier circuit | Tatsuo Tanaka | 1992-07-21 |