KF

Kiyoyuki Fukui

SI Sumitomo Metal Industries: 5 patents #111 of 1,462Top 8%
KC Kikuchi Co.: 2 patents #12 of 36Top 35%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
SI Sumitomo Light Metal Industries: 1 patents #103 of 254Top 45%
Overall (All Time): #633,099 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10590506 Hot-rolled steel sheet for tailored rolled blank and tailored rolled blank Tatsuo Yokoi, Eisaku Sakurada, Natsuko Sugiura 2020-03-17
10329637 Heat-rolled steel plate for tailored rolled blank, tailored rolled blank, and methods for producing these Tatsuo Yokoi, Eisaku Sakurada, Natsuko Sugiura 2019-06-25
7423233 Butt welding device and butt welding method Yutaka Miyamoto, Takao Minagawa, Shinichi Inagaki 2008-09-09
7307235 Butt welding apparatus, butt welding method, and butt welded product Yutaka Miyamoto, Takao Minagawa, Shinichi Inagaki, Kazu Uchida 2007-12-11
6126730 Coating composition and resin-coated metal sheets Tsutomu Yoshida, Kenji Ikishima, Masamitsu Matsumoto, Yozo Hirose, Tadashi Sakane +1 more 2000-10-03
5618634 Composite zinc- or zinc alloy-electroplated metal sheet and method for the production thereof Yasushi Hosoda, Masanari Kimoto, Shinya Hikino, Tsutomu Yoshida 1997-04-08
5356723 Multilayer plated aluminum sheets Masanari Kimoto, Tetsuaki Tsuda, Masanori Tsuji, Yoshihiko Hoboh, Hiroshi Ikeda +3 more 1994-10-18
5141822 Precoated steel sheet having improved corrosion resistance and formability Sachio Matsuo, Toshiaki Shiota, Maki Itoh, Hideo Kawaguchi, Hiroki Hanabata +2 more 1992-08-25