Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12267151 | Communication network terminating device, communication system, signal jamming method and signal jamming program | Akihiro Tanabe, Toshiaki SHITABA, Tomoaki Yoshida | 2025-04-01 |
| 12224795 | Optical transmission system and transmission quality monitoring method | Toshiaki SHITABA, Tomoaki Yoshida, Akihiro Tanabe | 2025-02-11 |
| 12155411 | Optical transmission apparatus and optical transmission method | Akihiro Tanabe, Toshiaki SHITABA, Tomoaki Yoshida | 2024-11-26 |
| 11929787 | Optical transmission apparatus and optical transmission method | Akihiro Tanabe, Tomoaki Yoshida, Toshiaki SHITABA | 2024-03-12 |
| 11611470 | Communication apparatus and communication method | Takamitsu TOCHINO, Tomoya HATANO | 2023-03-21 |
| 11575443 | Optical transmission system and output adjustment apparatus | Toshiaki SHITABA, Akihiro Tanabe, Kengo Horikoshi, Hisao YOSHINAGA | 2023-02-07 |
| 11444716 | Optical transmission system and carrier monitoring apparatus | Toshiaki SHITABA | 2022-09-13 |
| 11412316 | Optical line terminal and bandwidth allocation method | Keita NISHIMOTO, Tomoya HATANO | 2022-08-09 |
| 11197077 | Transmission device, and transmission method | Takamitsu TOCHINO, Kota Asaka, Tomoya HATANO | 2021-12-07 |
| 9276670 | Self-diagnostic method for PON protection system, and PON protection system | Youichi Fukada, Takeshi Sakamoto, Naoto Yoshimoto, Yasutaka Kimura | 2016-03-01 |
| 9179204 | Optical network system | Youichi Fukada, Takeshi Sakamoto, Naoto Yoshimoto | 2015-11-03 |
| 8631849 | Transfer tool | Keiji Kai, Hideto Shima | 2014-01-21 |
| 8181687 | Transfer tool | Kinya Matsushita | 2012-05-22 |
| D645513 | Coating film transfer tool | Hideto Shima | 2011-09-20 |
| 7703715 | Transfer tool | Shuji Kinugasa, Hideto Shima | 2010-04-27 |
| 7357167 | Transfer device | Hideto Shima | 2008-04-15 |
| 7302984 | Lock mechanism of sliding member and transfer device | Hideto Shima | 2007-12-04 |
| 7275578 | Transfer device | Hideto Shima | 2007-10-02 |
| D539351 | Coating film transfer tool | Hideto Shima | 2007-03-27 |
| D527766 | Coating film transfer tool | Hideto Shima | 2006-09-05 |
| D523085 | Cartridge for coating film transfer tool | Hideto Shima | 2006-06-13 |
| 7059374 | Transfer device | Hideto Shima | 2006-06-13 |