KO

Katsuya Ohtomo

HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
Overall (All Time): #1,862,180 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11513296 Optical component, optical connection component with graded index lens, and method of manufacturing optical component Motohiro Nakahara, Kazuhiro Nakahara, Shohei OGURA, Masahiro Shiotani 2022-11-29
6921491 Method for forming a groove and method for manufacturing an optical waveguide element Nobuaki Kitano 2005-07-26