SI

Sumitomo Metal Industries

Rank (All Time): #970 of 106,127Top 1%
1,462 inventors
903
Patents All Time

Top Inventors at Sumitomo Metal Industries All Time

Showing 1–50 of 1,462 inventors

RankNamePatents
1 Chihiro Hayashi 29
1 Kunio Kondo 29
3 Kazuhiro Ogawa 22
3 Tomio Yamakawa 22
#5 Masaaki Igarashi 20
#6 Kazuhiro Shimoda 19
#7 Yasutaka Okada 18
#8 Tomohiko Omura 16
#9 Kunio Goto 15
#9 Shigeo Nagasaku 15
#11 Sumio Iida 14
#12 Toshiyuki Matsumoto 13
#12 Yuji Arai 13
#14 Kazuyuki Nakasuji 12
#14 Masakatsu Ueda 12
#16 Hisashi Amaya 11
#16 Kouichi Kuroda 11
#16 Masayasu Kojima 11
#16 Muneo Harada 11
#16 Yoshiatsu Sawaragi 11
#16 Atsuro Iseda 11
#22 Atsushi Tomizawa 10
#22 Hirokazu Okada 10
#22 Hiroyuki Semba 10
#22 Kaori Kawano 10
#22 Kenji Aihara 10
#22 Masahiko Hamada 10
#22 Miyuki Yamamoto 10
#22 Tatsuo Hiroshima 10
#22 Takeo Kudo 10
#22 Toshiro Anraku 10
#22 Yoshihiro Hirota 10
#22 Yoshiaki Shida 10
#34 Gabriel Roussie 9
#34 Hiroyuki Hirata 9
#34 Hidemasa Nakajima 9
#34 Kunihiro Fukui 9
#34 Masaaki Sugino 9
#34 Sei Hiraki 9
#34 Toshihiko Murakami 9
#34 Yasuyoshi Hidaka 9
#34 Yoshihiko Hoboh 9
#34 Yoshio Tarutani 9
#34 Akio Ikeda 9
#45 Hiroo Ohtani 8
#45 Kenichi Sasaki 8
#45 Kunihiko Yoshikawa 8
#45 Mutsumi Tanida 8
#45 Shozo Okamura 8
#45 Sumio Kobayashi 8