Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253735 | Optical cable laying method | Yuta Maruo, Hisashi Izumita, Shigekatsu Tetsutani, Yusuke Yamada, Akira Sakurai | 2025-03-18 |
| 12242125 | Optical cable laying method | Yusuke Yamada, Akira Sakurai, Yuta Maruo, Shigekatsu Tetsutani, Hisashi Izumita | 2025-03-04 |
| 12124777 | Equipment state detection device, equipment state detection method, and program | Masaki Waki, Hitoshi Niigaki, Ryoichi Kaneko, Gen Kobayashi, Kazuya Ando | 2024-10-22 |
| 12117373 | Testing apparatus of utility pole | Masaki Waki, Ryoichi Kaneko | 2024-10-15 |
| 11947175 | Optical fiber cable | Yuta Maruo, 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, Yuta Maruo +2 more | 2024-03-05 |
| 11846819 | Closure with partition to facilitate draining flood water away from optical fiber connection | Akira Sakurai, Hisashi Izumita, Shigekatsu Tetsutani, Yusuke Yamada, Yuta Maruo | 2023-12-19 |
| 11215780 | Optical fiber cable | Masatoshi Ohno, Kouji Tomikawa, Ken Osato, Shigekatsu Tetsutani, Yohei Endo +1 more | 2022-01-04 |