YM

Yukihiro Maekawa

Nissan Motor Co.: 5 patents #1,472 of 8,689Top 20%
HC Hitachi Powdered Metals Co.: 3 patents #44 of 246Top 20%
SI Sumitomo Light Metal Industries: 2 patents #54 of 254Top 25%
Overall (All Time): #746,786 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8247137 Fuel cell and production of fuel cell stack Akira Fujiki, Takeharu Kuramochi, Masahiko Katsu, Takayuki Hirao, Takeshi Shimizu +7 more 2012-08-21
7981572 Fuel cell and production of fuel cell stack Akira Fujiki, Takeharu Kuramochi, Masahiko Katsu, Takayuki Hirao, Takeshi Shimizu +7 more 2011-07-19
7309465 Sintered sprocket for silent chain and production method therefor Akira Fujiki, Yutaka Mabuchi, Takashi Murata, Takashi Suzuki, Jyun-ichi Yamada +2 more 2007-12-18
7041149 Sintered sprocket for silent chain and production method therefor Akira Fujiki, Yutaka Mabuchi, Takashi Murata, Takashi Suzuki, Jyun-ichi Yamada +2 more 2006-05-09
6488736 Method of producing sintered metal sprocket and sprocket produced by the method Katsuhiko Ueda, Makoto Iwakiri, Yoshimi Sugaya, Yutaka Mabuchi, Masato Yamaguchi +2 more 2002-12-03
5325692 Method of controlling transverse shape of rolled strip, based on tension distribution Ikuya Hoshino, Tatsuro MATSUURA, Teiichi Abe, Atsushi Kimura 1994-07-05
4907434 Method and device for controlling strip thickness in rolling mills Ikuya Hoshino, Hiroshi Kimura, Takayuki Fujimoto 1990-03-13