Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12407178 | Electric power control system and power supply system | Soichiro BANDO, Yusuke Umezu, Atsumori Yoshikawa | 2025-09-02 |
| 12305588 | Vehicle control apparatus | Yusuke Nakamura | 2025-05-20 |
| D1036463 | Display screen or portion thereof with animated graphical user interface | Kenichi Ogawa, Misaki Yamao, Kyoko Yajima, Yoshihito Takigawa | 2024-07-23 |
| 11751287 | Substrate heating device | Masatoshi Onoda, Kazuo Shimizu, Yasuhiro Kishimoto | 2023-09-05 |
| 11459007 | Drawing component generation device, display system, and drawing component generation method | Eisho ANDO, Masayo Nakagawa | 2022-10-04 |
| 11316409 | Motor including flow rectification section and bulk reduction section | Hideaki Ishii | 2022-04-26 |
| D937846 | Display screen with graphical user interface | Kenichi Ogawa, Yoshihito Takigawa | 2021-12-07 |
| 11186303 | Train control and management system, central command device, screen information transmission system and screen information transmission method | Yosuke Isshiki, Yoshihito Takigawa | 2021-11-30 |
| 11172546 | Wireless device adapted to perform wireless communication | — | 2021-11-09 |
| D925553 | Display screen with graphical user interface | Kenichi Ogawa, Yoshihito Takigawa | 2021-07-20 |
| D894205 | Display screen with graphical user interface | Kenichi Ogawa, Yoshihito Takigawa | 2020-08-25 |
| D893518 | Display screen with graphical user interface | Kenichi Ogawa, Yoshihito Takigawa | 2020-08-18 |
| 10050716 | Optical transmission device and optical transmission system | Kentaro Nakamura | 2018-08-14 |
| 9634762 | Optical transmission system, node apparatus, and reachability determination method | Shigeru Ishii | 2017-04-25 |
| 9319132 | Optical transmission system, node apparatus, and reachability determination method | Shigeru Ishii | 2016-04-19 |
| 8879907 | Measurement apparatus, network design apparatus, transmission system, and network management apparatus | — | 2014-11-04 |
| 8818191 | Wavelength reallocation method and node device | Takeshi Sakamoto | 2014-08-26 |
| 8554088 | Optical transmission apparatus, optical transmission system, and optical transmission method | — | 2013-10-08 |
| 8538264 | Dispersion compensating apparatus, dispersion compensating method, optical receiving apparatus, and optical receiving method | Masahiro Yuki, Tsukasa Takahashi, Miki Onaka, Norifumi Shukunami, Tatsuya Tsuzuki +1 more | 2013-09-17 |
| 8306427 | WDM transmission apparatus, optical add-drop multiplexer and WDM transmission method | Takehiro Fujita | 2012-11-06 |
| 8073325 | OSNR measuring apparatus and OSNR measuring method | — | 2011-12-06 |
| 8068730 | Wavelength division multiplex signal monitoring system and wavelength division multiplex transmission device equipped with the same | Yoshito Kachita, Ichiro Nakajima, Yasushi Sugaya | 2011-11-29 |
| 7983564 | Transmission system and transmission method | Hiroki Ooi, Akira Miura, Takeshi Hoshida, Kentaro Nakamura, Yasushi Sugaya | 2011-07-19 |
| 7660535 | Optical transmission apparatus | — | 2010-02-09 |
| 7542677 | Dispersion compensation method in optical communication system having optical add drop multiplexing capability | Motoyoshi Sekiya, Kazuo Yamane, Satoru Okano, Takehito Okeno | 2009-06-02 |