Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10567658 | Image processing device, image processing method, image processing program | Naoyuki AKIYAMA | 2020-02-18 |
| 9042282 | Wireless communication device, wireless communication system, and channel switching method | Tai Hirakawa, Hideaki Shimizu, Jun Nishihara | 2015-05-26 |
| 7779442 | Information distribution system | Keiji Fukuzawa, Masakatsu Toyoshima, Katsumi Ohishi | 2010-08-17 |
| 7263713 | Television signal distributor apparatus, receiver apparatus, television signal transmission system and method | Katsumi Oishi, Keiji Fukuzawa | 2007-08-28 |
| 7051355 | Receiving apparatus, receiving method, and providing medium | Katsumi Oishi, Hirofumi Yuchi, Haruhiko Yata, Keiichi Kurokawa, Yuichiro Nakamura | 2006-05-23 |
| 6687308 | Signal processing apparatus and signal processing method | Katsumi Oishi | 2004-02-03 |
| 6480551 | Signal processing device and method for switching signal processors thereof | Katsumi Ohishi, Naohisa Kitazato | 2002-11-12 |