IC

Idemitsu Kosan Co.

Rank (2025): #569 of 24,532Top 3%
106 inventors
57
Patents 2025

Top Inventors at Idemitsu Kosan Co. 2025

Showing 1–50 of 106 inventors

RankNamePatents
1 Satomi TASAKI 9
1 Yuki Nakano 9
3 Taro YAMAKI 8
#4 Tomoki Kato 6
#5 Hiromi Nakano 5
#5 Kenji SUNAHARA 5
#5 Toshinari Ogiwara 5
#8 Shoichiro FUJITA 4
#8 Yukio Yoshida 4
#10 Hiroaki ITOI 3
#10 Kazuki Nishimura 3
#10 Keiichi YASUKAWA 3
#10 Masaya Kubota 3
#10 Minoru Senga 3
#10 Ryota Takahashi 3
#10 Shota KATO 3
#10 Takushi SHIOMI 3
#10 Tetsuya Masuda 3
#19 Eiji Takita 2
#19 Go Watanabe 2
#19 Hirokatsu Ito 2
#19 Hisato MATSUMOTO 2
#19 Hiroaki Yamada 2
#19 Kazuyoshi Koike 2
#19 Keisuke Inda 2
#19 Keiichi Narita 2
#19 Keiji Okinaka 2
#19 Keita SEDA 2
#19 Kiyokazu Katayama 2
#19 Kiyohiko Yokota 2
#19 Koichi Suga 2
#19 Kouji Takane 2
#19 Masahiro Kawamura 2
#19 Masato Nakamura 2
#19 Masayuki Shibata 2
#19 Minoru Yabukami 2
#19 Nobuhito NAKAYA 2
#19 Shota SAWANO 2
#19 Shinobu Yamao 2
#19 So NAKAJIMA 2
#19 Tasuku HAKETA 2
#19 Yusuke ISEKI 2
#19 Yuichiro Kawamura 2
#19 Yusuke Takahashi 2
#45 Akio Kojima 1
#45 Atsushi Sato 1
#45 Atsushi Yao 1
#45 Emiko Kambe 1
#45 Emi KAWASHIMA 1
#45 Genki OKUYAMA 1