IC

Idemitsu Kosan Co.

Rank (All Time): #378 of 106,127Top 1%
1,237 inventors
2,264
Patents All Time

Top Inventors at Idemitsu Kosan Co. All Time

Showing 1–50 of 1,237 inventors

RankNamePatents
1 Chishio Hosokawa 215
2 Masahiro Kawamura 143
3 Kazuki Nishimura 106
#4 Masakazu Funahashi 98
#5 Toshihiro Iwakuma 88
#6 Toshinari Ogiwara 84
#7 Tomoki Kato 83
#8 Masato Kaneko 77
#9 Yumiko Mizuki 74
#10 Kazuyoshi Inoue 73
#11 Hirokatsu Ito 66
#11 Yuki Nakano 66
#13 Kenichi Fukuoka 64
#13 Mitsunori Ito 64
#15 Koki Yano 60
#16 Hidetsugu Ikeda 56
#16 Nobuhiro Yabunouchi 56
#18 Masahide Matsuura 53
#19 Yasuhiro Ishikawa 45
#19 Yuichiro Kawamura 45
#21 Tetsuya Inoue 44
#22 Hitoshi Kuma 42
#23 Tasuku HAKETA 41
#24 Hisayuki Kawamura 40
#25 Kei Yoshida 39
#25 Mitsuru Eida 39
#27 Hiroaki Nakamura 38
#27 Masahiko Kuramoto 38
#29 Toshiyuki Tsubouchi 37
#30 Satomi TASAKI 36
#30 Yutaka Minami 36
#32 Shigekazu Tomai 34
#33 Keisuke Funaki 31
#33 Masaki Numata 31
#33 Norio Tomotsu 31
#36 Hitoshi Hata 30
#36 Ryota Takahashi 30
#36 Shuji Machida 30
#39 Hiroshi Yamamoto 29
#39 Kiyoshi Ikeda 29
#39 Takayasu Sado 29
#42 Masatoshi Saito 28
#42 Masami Watanabe 28
#42 Satoshi Hachiya 28
#45 Futoshi Utsuno 27
#45 Minoru Senga 27
#45 Takashi Arakane 27
#45 Yoriyuki Takashima 27
#49 Taro YAMAKI 25
#50 Toshinori Tazaki 24