Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459519 | Optical transmitter-receiver | Hiroyuki Sasai, Kuniaki Utsumi | 2002-10-01 |
| 6392770 | Multi-point optical transmission system | Hiroyuki Sasai, Koichi Masuda | 2002-05-21 |
| 6292673 | Radio signal transmitter | Hiroyuki Sasai, Kouichi Masuda, Susumu Morikura | 2001-09-18 |
| 6118479 | Optical transmission method, error rate evaluation method applied in optical transmission and apparatus for generating a signal for error rate evaluation | Kuniaki Utsumi, Susumu Morikura | 2000-09-12 |
| 5825518 | Optical transmission unit | Koichi Masuda, Hiroaki Nakata | 1998-10-20 |
| 5574569 | Image signal transmission apparatus for repeatedly reproducing and transmitting a main image and a sub-image using an optical disc | Kuniaki Utsumi | 1996-11-12 |
| 5539657 | Picture image distributing apparatus provided within passenger moving vehicle | Kuniaki Utsumi, Hiroaki Nakata, Susumu Morikura, Hiroaki Yamamoto, Masaru Fuse | 1996-07-23 |
| 5432767 | Optical disc, an image signal transmitting apparatus utilizing the optical disc and an image signal transmitting method | Kuniaki Utsumi | 1995-07-11 |
| 5351148 | Optical transmission system | Naoki Ishiyama, Hiroaki Nakata | 1994-09-27 |
| 5339315 | Cable broadcasting system and the transmission center for on demand program services | Kuniaki Utsumi, Katsuyuki Fujito | 1994-08-16 |
| 5204767 | Pay-channel transmission system for CATV | Hiroaki Nakata, Kuniaki Utsumi | 1993-04-20 |