Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12111224 | Optical transmission path inspecting system, and optical transmission path inspecting device | Gouichi Fukumoto, Tetsufumi Tsuzaki, Toshiyuki Miyamoto, Kenichiro Otsuka | 2024-10-08 |
| 11965801 | Measurement system | Kazuya Masuda, Tomohiko Ueda, Kenichiro Otsuka, Tsuneari Ito, Tetsufumi Tsuzaki +1 more | 2024-04-23 |
| 10523317 | Measurement system and measurement method | Kazuya Masuda, Tomohiko Ueda, Tsuneari Ito, Kenichiro Otsuka, Gouichi Fukumoto +5 more | 2019-12-31 |
| 6206583 | Optical fiber fusion splicer with communication device | Kazuo Watanabe | 2001-03-27 |