Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9226050 | Transmission apparatus and transmission method | Masashige Kawarai, Hiroyuki Ishii, Yukio Katayanagi, Kenichi Hasegawa, Takashi Kaiga +2 more | 2015-12-29 |
| 8767802 | Transmission device and transmission method | Yuichi Nagaki, Masashige Kawarai, Tomohiro Ueno, Takashi Kaiga, Yukio Katayanagi | 2014-07-01 |
| 7778160 | Device for synchronizing between an active unit and a standby unit | Takashi Kaiga, Tsutomu Chikazawa, Yukio Katayanagi, Kenichi Yajima, Hideo Abe +2 more | 2010-08-17 |
| 7408475 | Power supply monitoring device | Noboru Shimizu, Tsutomu Chikazawa, Ryuji Kayama, Kenichi Yajima, Yukio Katayanagi +1 more | 2008-08-05 |
| 6442136 | Traffic shaping device for ATM communication network | Ryuji Kayama, Yoshihiro Onoda, Yukio Katayanagi, Toshikazu Yamakawa | 2002-08-27 |
| 4654738 | Head drum construction including magnetically shielded record and reproduce signal paths | Hiroshi Kato, Shoji Kikunaga | 1987-03-31 |