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USPTO Patent Rankings Data through Sept 30, 2025
IC

Idemitsu Kosan Co.

Rank (2021): #478 of 31,507Top 2%
151 inventors
88 Patents 2021

Top Inventors at Idemitsu Kosan Co. 2021

Showing 101–150 of 151 inventors

RankNamePatents
#52 Nozomu FUJII 1
#52 Nobuhito NAKAYA 1
#52 Nobuhiro Yabunouchi 1
#52 Ryoji Maeda 1
#52 Ryota Takahashi 1
#52 Ryo Tsuchiya 1
#52 Seiichiro Yamamoto 1
#52 Shun Fukasawa 1
#52 Shinji Miyamoto 1
#52 Shingo Onodera 1
#52 Shuichi Sakanoue 1
#52 Shinya Sasaki 1
#52 Shinobu Yamao 1
#52 Takuma Aoyama 1
#52 Takanori EGUCHI 1
#52 Tatsuya HAMACHI 1
#52 Takeshi Ikeda 1
#52 Takeshi Iwasaki 1
#52 Takashi Kondo 1
#52 Tatsuya KUSUMOTO 1
#52 Takayasu Sado 1
#52 Takumi Tanaka 1
#52 Taro YAMAKI 1
#52 Takuo Yanagi 1
#52 Takashi Yanagihara 1
#52 Thomas Schaefer 1
#52 Toru Bando 1
#52 Toshihiro Iwakuma 1
#52 Toyoharu Kaneko 1
#52 Tomohiko Kitamura 1
#52 Tokue Sato 1
#52 Toshikazu Sugimoto 1
#52 Tomonobu Takada 1
#52 Tsuyoshi Ota 1
#52 Tsukasa Yamagishi 1
#52 Tuan Tran 1
#52 Yasuhiro Mogi 1
#52 Yasuyuki Morishita 1
#52 Yasuyo Okuyama 1
#52 Yasuhiro Suzuki 1
#52 Yasunobu Yamazaki 1
#52 Yoshimi Kawashima 1
#52 Yoshihito KOYAMA 1
#52 Yoshikazu Nagasaki 1
#52 Yoshio Okamoto 1
#52 Yusuke ISEKI 1
#52 Yutaka Minami 1
#52 Yuji Shizuno 1
#52 Yusuke Takahashi 1
#52 Yuki TSUKAGOSHI 1