HI

Hisashi Izumita

NT NTT: 8 patents #658 of 4,871Top 15%
FC Furukawa Electric Co.: 2 patents #850 of 2,370Top 40%
NE Ntt Electronics: 1 patents #160 of 358Top 45%
Overall (All Time): #479,120 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12253735 Optical cable laying method Yuta Maruo, Hiroaki TANIOKA, Shigekatsu Tetsutani, Yusuke Yamada, Akira Sakurai 2025-03-18
12242125 Optical cable laying method Yusuke Yamada, Akira Sakurai, Yuta Maruo, Shigekatsu Tetsutani, Hiroaki TANIOKA 2025-03-04
11947175 Optical fiber cable Yuta Maruo, Hiroaki TANIOKA, Yusuke Yamada, Shigekatsu Tetsutani, Yohei Endo 2024-04-02
11846819 Closure with partition to facilitate draining flood water away from optical fiber connection Akira Sakurai, Hiroaki TANIOKA, Shigekatsu Tetsutani, Yusuke Yamada, Yuta Maruo 2023-12-19
11422301 Optical fiber cable Yusuke Yamada, Masashi Kikuchi, Junichi Kawataka, Kazunori KATAYAMA 2022-08-23
11360281 Optical fiber cable, and device and method for manufacturing optical fiber cable Masashi Kikuchi, Yusuke Yamada, Junichi Kawataka, Kazunori KATAYAMA 2022-06-14
7153570 Optical fiber cord Fuminori Nakajima, Nobuhisa Ishii, Masao Tachikura, Shigenori Uruno, Hitoshi Ishimaru +1 more 2006-12-26
7086789 Optical element module with a primary coated optical fiber Nobuo Tomita, Fumiaki Hanawa, Norio Takato, Satoru Konno, Yuichi Kikuchi +3 more 2006-08-08
6893719 Optical fiber cord Fuminori Nakajima, Nobuhisa Ishii, Masao Tachikura, Shigenori Uruno, Hitoshi Ishimaru +1 more 2005-05-17
6256443 Optical fiber distribution module for holding an optical fiber cord and fiber distribution system using optical fiber cords Shigenori Uruno, Masao Tachikura, Koji Mine, Yoshitaka Enomoto, Naoki Nakao +3 more 2001-07-03