KO

Katsuhiro Obata

DC Daido Chemical Co.: 1 patents #9 of 28Top 35%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
IC Iida Sankyo Co.: 1 patents #2 of 6Top 35%
PR Proterial: 1 patents #122 of 267Top 50%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #1,360,543 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11958101 Method for manufacturing forged article Tatsuya Shouji, Shuho Koseki, Kenichi Inoue, Satoshi Murakami, Naoki Hayashi +6 more 2024-04-16
11536637 Abrasion test apparatus Yoshihiko Kobayashi, Shuho Koseki, Tadashi Furuya, Fumiaki Honda, Takahiro Makiyama 2022-12-27
4266291 Electromagnetic swing device Shigenobu Koizumi 1981-05-05