MS

Masahiro Shimamura

TC Toyo Seikan Co.: 4 patents #175 of 888Top 20%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
Overall (All Time): #913,608 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12343778 Die for ironing working and die module Takuho KUMAGAI, Kenichi Takao, Ryozo Shiroishi, Naoya Matsumoto 2025-07-01
12036597 Jig for metal plastic working Takuho KUMAGAI, Tomohiro Ogawa, Ryozo Shiroishi, Naoya Matsumoto 2024-07-16
11745245 Metallic worked articles Takuho KUMAGAI, Ryozo Shiroishi, Naoya Matsumoto, Tomohiro Ogawa 2023-09-05
10155293 Diamond surface polishing method and apparatus for implementing same Kenichi Takao, Ryozo Shiroishi 2018-12-18
4806307 Aluminum alloy with superior thermal neutron absorptivity Yagoro Hirose, Yoshimitsu Miyagi, Kiko Hirose, Mitsuo Hino, Masayuki Harada +2 more 1989-02-21