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USPTO Patent Rankings Data through Sept 30, 2025
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Daicel — 69 Patents in 2021

Rank (2021): #585 of 31,507Top 2%
122 inventors
69 Patents 2021

Top Inventors at Daicel 2021

Showing 1–50 of 122 inventors

RankNamePatents
1 Koji Yamamoto 6
2 Mikio Yabuta 5
3 Toru Shibata 4
#4 Anan SAKAGUCHI 3
#4 Hiroyuki Miura 3
#4 Keizo Inoue 3
#4 Kouichi UMEMOTO 3
#4 Momoko Hamasaki 3
#4 Naoko Tsuji 3
#4 Satoshi Shinkura 3
#4 Takahiro HIRAMURA 3
#4 Takaya Masumoto 3
#4 Tomoharu Kobayashi 3
#4 Tomoya Mizuta 3
#4 Tomohito Okabayashi 3
#4 Toshiyuki Sakai 3
#17 Akihiro Higuchi 2
#17 Akira Yamakawa 2
#17 Hiroyuki Matsumura 2
#17 Hiroki Takenaka 2
#17 Hiroki Tanaka 2
#17 Masahiko Shimizu 2
#17 Mitsuru Ohno 2
#17 Nobuhiko Harada 2
#17 Norihiro Kimoto 2
#17 Sadayuki Fukui 2
#17 Seiichi Uchimura 2
#17 Shinichiro Ukita 2
#17 Takeshi Fujikawa 2
#17 Takanori Nakajima 2
#17 Tomohiro Goto 2
#17 Tomohiro HASHIZUME 2
#17 Tohru Shibata 2
#17 Yuki FUKUI 2
#17 Yuichi Sakanishi 2
#17 Yuzo Yamamoto 2
#37 Akihiro Kuwana 1
#37 Akifumi Noda 1
#37 Atsuhiro UETOMO 1
#37 Aya Kaide 1
#37 Feng Liu 1
#37 Fei Yang 1
#37 Hiromi Honma 1
#37 Hiromitsu Iga 1
#37 Hiroyoshi Koduma 1
#37 Hiroshi Koyama 1
#37 Hiroto Miyake 1
#37 Hidehiko Nakajima 1
#37 Hiroshi Shiku 1
#37 Hiroki Taniguchi 1