Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7273165 | Printing system | Jun Inagaki, Hideaki Sugio, Ryoji Shimazu, Yasuhisa Mizuno | 2007-09-25 |
| 5706422 | Method of locating fault of communication system | Hisayuki Maruyama, Jushi Ide, Seiichi Yasumoto, Sadao Mizokawa, Ken Onuki +2 more | 1998-01-06 |
| 5497374 | Data transmission method and system thereof | Hisayuki Maruyama, Sadao Mizokawa, Seiichi Yasumoto, Ken Onuki, Hisao Ogawa +4 more | 1996-03-05 |
| 5426638 | Transmission method and system thereof | Hisayuki Maruyama, Sadao Mizokawa, Seiichi Yasumoto, Ken Onuki, Hisao Ogawa +4 more | 1995-06-20 |
| 5210632 | Signal transmission system having a star coupled repeater | Toshiyuki Murakami, Sadao Mizokawa, Hisayuki Maruyama, Masanori Kogawa, Naomasa Hanano | 1993-05-11 |