Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8989384 | Digital cinema management device and digital cinema management method | Katsumi Ogawa | 2015-03-24 |
| 8666225 | Digital cinema management device and digital cinema management method | Katsumi Ogawa | 2014-03-04 |
| 8472790 | Digital cinema management device and digital cinema management method | Katsumi Ogawa | 2013-06-25 |