Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253735 | Optical cable laying method | Hiroaki TANIOKA, Hisashi Izumita, Shigekatsu Tetsutani, Yusuke Yamada, Akira Sakurai | 2025-03-18 |
| 12242125 | Optical cable laying method | Yusuke Yamada, Akira Sakurai, Shigekatsu Tetsutani, Hisashi Izumita, Hiroaki TANIOKA | 2025-03-04 |
| 11947175 | Optical fiber cable | Hiroaki TANIOKA, Hisashi Izumita, Yusuke Yamada, Shigekatsu Tetsutani, Yohei Endo | 2024-04-02 |
| 11921341 | Optical cable and optical cable manufacturing method | Masatoshi Ohno, Akira Namazue, Ken Osato, Yusuke Yamada, Akira Sakurai +2 more | 2024-03-05 |
| 11846819 | Closure with partition to facilitate draining flood water away from optical fiber connection | Akira Sakurai, Hiroaki TANIOKA, Hisashi Izumita, Shigekatsu Tetsutani, Yusuke Yamada | 2023-12-19 |
| 11215780 | Optical fiber cable | Masatoshi Ohno, Kouji Tomikawa, Ken Osato, Hiroaki TANIOKA, Shigekatsu Tetsutani +1 more | 2022-01-04 |