Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DA

Daicel — 38 Patents in 2018

Rank (2018): #995 of 30,013Top 4%
94 inventors
38 Patents 2018

Top Inventors at Daicel 2018

Showing 1–50 of 94 inventors

RankNamePatents
1 Masayuki Yamazaki 3
1 Teppei Hanano 3
3 Haruhiko Yamashita 2
3 Hiroki Takenaka 2
3 Katsuhiro Nakaguchi 2
3 Kiyoshi Ikura 2
3 Mami Itoh 2
3 Naohiro Hashikawa 2
3 Ryohei Yamada 2
3 Takahiro HIRAMURA 2
3 Takashi Kubo 2
3 Takao Kuroda 2
3 Takaya Masumoto 2
3 Takashi Saeki 2
3 Toshihiro Izuma 2
3 Tomoharu Kobayashi 2
3 Tomohito Okabayashi 2
3 Yuichi Sakanishi 2
#19 Akihiro Wakatsuki 1
#19 Anan SAKAGUCHI 1
#19 Arimichi Okumura 1
#19 Atsushi Mimura 1
#19 Aya Yokoyama 1
#19 Dai Shiota 1
#19 Daisuke Tanida 1
#19 Geng Li 1
#19 Hiroki Chisaka 1
#19 Hisayoshi Ito 1
#19 Hiroshi Koyama 1
#19 Hiroyuki Miura 1
#19 Hiroto Miyake 1
#19 Hiroshi Takahashi 1
#19 Hiroki Tanaka 1
#19 Hiroaki Ushida 1
#19 Ichiro Takase 1
#19 Jun Shen 1
#19 Katsuhiro Imoto 1
#19 Katsuhiro NAKAHASHI 1
#19 Kazuki Okamoto 1
#19 Kenji Fukumoto 1
#19 Keiichi Osano 1
#19 Kenichiro Tomoi 1
#19 Kiyoharu Tsutsumi 1
#19 Kouichi UMEMOTO 1
#19 Kunihiro Noda 1
#19 Kyohei Ishida 1
#19 Kyuhei Kitao 1
#19 Masanori Futai 1
#19 Masaki Hayashi 1
#19 Masato Kurihara 1