Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12432434 | Sensor module and case unit | — | 2025-09-30 |
| 11561260 | Used secondary battery module management system server, used secondary battery module management system external terminal, and used secondary battery module management system | Keisuke Goto, Mayu Iida, Hiroyasu Suzuki, Nobuo Yamamoto, Shogo Suzuki | 2023-01-24 |
| 10979050 | Input/output circuit | Kazuo Kita | 2021-04-13 |
| 9800331 | Optical transmission apparatus and level adjusting method | Yuichi Toyota, Akihiro Mukai, Daisuke Kobayashi, Tatsuo Nagayoshi | 2017-10-24 |
| 8331787 | Optical transmitting apparatus and optical multiplexing unit | Takeshi Noma, Yoshikazu Nakanishi, Makoto Ohtou, Hideaki Sugiya, Ichiro Nakajima +1 more | 2012-12-11 |
| 8121490 | Transponder unit, transponder unit control apparatus, transponder unit control method and recording medium recording transponder unit control program | Tomoyuki Sakata, Yoshikazu Nakanishi, Kouichi Maeda, Takeshi Noma | 2012-02-21 |
| 7630644 | Optical add/drop multiplexer, control method therefor and control program therefor | Akira Yamamoto, Tatsuo Nagayoshi, Tomoyuki Sakata, Taro Asao | 2009-12-08 |
| 7466478 | Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical network | Takuji Maeda, Hisayuki Ojima, Hiroaki Tomofuji, Hideaki Sugiya, Koji Batou | 2008-12-16 |
| 7430372 | Optical transmission system | Mamoru Suematsu, Akira Yamamoto, Hideaki Sugiya, Yuki Murakami, Hisayuki Ojima | 2008-09-30 |