IK

Ishihara Sangyo Kaisha

Rank (All Time): #2196 of 106,127Top 3%
403 inventors
372
Patents All Time

Top Inventors at Ishihara Sangyo Kaisha All Time

Showing 1–50 of 403 inventors

RankNamePatents
1 Takahiro Haga 58
2 Toru Koyanagi 34
3 Ryuzo Nishiyama 25
3 Ryu Yamada 25
#5 Kanichi Fujikawa 24
#6 Hideo Sugi 22
#6 Masayuki Morita 22
#8 Nobutoshi Yamada 21
#9 Nobuyuki Sakashita 20
#10 Isao Yokomichi 19
#11 Takashi Terada 18
#12 Hiroshi Kikugawa 16
#13 Hiroyuki Okamoto 15
#13 Masamitsu Tsukamoto 15
#13 Munekazu Ogawa 15
#16 Itaru Shigehara 14
#16 Shigeru Mitani 14
#16 Shigeo Murai 14
#16 Tadaaki Toki 14
#20 Fumio Kimura 13
#20 Hiroshi Okada 13
#20 Hideo Takahashi 13
#20 Shigeyuki Nishimura 13
#20 Tetsuo Yoneda 13
#25 Fumio Kanamori 12
#25 Hajime Murakami 12
#25 Hirohiko Kimura 12
#25 Kazuhiro Yamamoto 12
#25 Takao Awazu 12
#25 Toshio Nakajima 12
#25 Yasuhiro Tsujii 12
#25 Yuji Nakamura 12
#33 Sadao Murasawa 11
#33 Tsunezo Yoshida 11
#33 Akihiro Nishimura 11
#36 Rikuo Nasu 10
#36 Tokuo Suita 10
#38 Haruo Okuda 9
#38 Kaoru Isobe 9
#38 Kazuyuki Maeda 9
#38 Masatoshi Honma 9
#38 Masanori Tomonari 9
#38 Shigehisa Kanbayashi 9
#44 Fuminori Kato 8
#44 Katsuichi Chiba 8
#44 Kiyomitsu Yoshida 8
#44 Masahiro Watanabe 8
#44 Osamu Imai 8
#44 Sandeep Gupta 8
#44 Toyoshi Tanimura 8