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USPTO Patent Rankings Data through Dec 31, 2025
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Daicel — 56 Patents in 2019

Rank (2019): #792 of 32,247Top 3%
82 inventors
56 Patents 2019

Top Inventors at Daicel 2019

Showing 1–50 of 82 inventors

RankNamePatents
1 Masahiko Shimizu 11
2 Hiroyuki Miura 5
2 Yoshihisa Mizutani 5
#4 Tomoharu Kobayashi 4
#5 Kenji Fukumoto 3
#5 Shu Shimamoto 3
#5 Shizuka Ukita 3
#5 Toshikazu Nakamura 3
#9 Daiji IKEDA 2
#9 Hiroshi Kobayashi 2
#9 Kazuhisa Fukui 2
#9 Katsuhiro Imoto 2
#9 Kanae Nishimura 2
#9 Kazuyuki Okada 2
#9 Keizo Inoue 2
#9 Masahiro Haitsuka 2
#9 Mami Sakurai 2
#9 Naohiro Hashikawa 2
#9 Ryoko Yamauchi 2
#9 Takeshi Fujikawa 2
#9 Takashi Kubo 2
#9 Takeshi Yokoo 2
#9 Toshihiro Izuma 2
#9 Tomoya Mizuta 2
#9 Tomohito Okabayashi 2
#9 Toshiyuki Sakai 2
#9 Tsuyoshi Nakamura 2
#9 Yasuyuki Akai 2
#9 Yoshihiro Asami 2
#9 Youji Suzuki 2
#9 Yuichi Sakanishi 2
#32 Akifumi Noda 1
#32 Akiko SHIBAGAKI 1
#32 Atsushi Mimura 1
#32 Atsuhiro UETOMO 1
#32 Haruhiko Yamashita 1
#32 Hiroki Karakane 1
#32 Hiroto KUDO 1
#32 Hiroki Tanaka 1
#32 Ichiro Takase 1
#32 Ippei Fukutomi 1
#32 Kazuyoshi MANABE 1
#32 Katsuhiro Nakaguchi 1
#32 Katsuhiro NAKAHASHI 1
#32 Kazuma Oguni 1
#32 Keiichi Osano 1
#32 Kimiko Ikeda 1
#32 Kiyoshi Ikura 1
#32 Masahide Bando 1
#32 Mami Itoh 1