Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11635329 | Transmission type color calibration chart and calibration slide glass | Yoshihiko Ogino, Yoichi Kajimura, Takahiro Sahara, Kunio Taguchi, Hitoshi Mizuno +1 more | 2023-04-25 |
| 11371886 | Transmission type color calibration chart and calibration slide glass | Yoshihiko Ogino, Yoichi Kajimura, Takahiro Sahara, Kunio Taguchi, Hitoshi Mizuno +1 more | 2022-06-28 |
| 11340115 | Transmission type color calibration chart and calibration slide glass | Yoshihiko Ogino, Yoichi Kajimura, Takahiro Sahara, Kunio Taguchi, Hitoshi Mizuno +1 more | 2022-05-24 |
| 7957267 | Fault detection device | Kenichi Kawarai, Masami Doukai, Kou Takatori | 2011-06-07 |
| 7860031 | Apparatus and method for processing control packet in spanning tree protocol | Masami Doukai, Kou Takatori | 2010-12-28 |
| 7336648 | Label switching system | — | 2008-02-26 |
| 6771645 | Packet relaying apparatus | Kazunori Umezaki | 2004-08-03 |
| 6308217 | Signalling device and signalling method | — | 2001-10-23 |
| 6243357 | Lan emulation system and atm switch | — | 2001-06-05 |
| 6154458 | Network system | Yukiko Kudoh | 2000-11-28 |
| 6028863 | Method and apparatus for negotiating connection identifier | Hiroomi Shinha | 2000-02-22 |
| 5943337 | Method for an ATM network which controls settings of a plurality of connections and apparatus and assigns information which identifies applications | — | 1999-08-24 |
| 5737312 | Cell assembly and disassembly apparatus in an ATM network | — | 1998-04-07 |