YH

Yoshihiko Hoboh

SI Sumitomo Metal Industries: 9 patents #34 of 1,462Top 3%
SI Sumitomo Light Metal Industries: 2 patents #54 of 254Top 25%
Overall (All Time): #591,308 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5436081 Plated aluminum sheet having improved spot weldability Naotaka Ueda, Masanori Tsuji, Kazuyuki Fujita 1995-07-25
5409156 Spot-weldable aluminum sheet and production thereof Masanori Tsuji, Kazuyuki Fujita 1995-04-25
5356723 Multilayer plated aluminum sheets Masanari Kimoto, Tetsuaki Tsuda, Masanori Tsuji, Hiroshi Ikeda, Takao Aimu +3 more 1994-10-18
5245847 Process for zinc electroplating of aluminum strip Seiji Bando, Naotaka Ueda, Masanori Tsuji, Kazuyuki Fujita, Hisao Yoshimori 1993-09-21
5240783 Steel plate for the outside of automobile bodies electroplated with a zinc alloy and a manufacturing method therefor Tatsuo Kurimoto, Tadashi Nonaka 1993-08-31
5236574 Electroplating of hot-galvanized steel sheet and continuous plating line therefor Kazuhide Oshima, Hisakazu Morino, Tomio Kondo, Yasuo Shimada, Tadashi Nonaka +3 more 1993-08-17
5234574 Process for direct zinc electroplating of aluminum strip Masanori Tsuji, Kazuyuki Fujita, Hiroshi Oishi, Naotaka Ueda 1993-08-10
5209988 Steel plate for the outside of automobile bodies electroplated with a zinc alloy and a manufacturing method therefor Tatsuo Kurimoto, Tadashi Nonaka 1993-05-11
4659631 Corrosion resistant duplex plated sheet steel Tatsuo Kurimoto, Hiroshi Ohishi, Ryoichi Noumi, Shigeru Wakano 1987-04-21