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USPTO Patent Rankings Data through Dec 31, 2025
CK

Ckd — 27 Patents in 2021

Rank (2021): #1,419 of 31,506Top 5%
45 inventors
27 Patents 2021

Top Inventors at Ckd 2021

Showing 1–45 of 45 inventors

RankNamePatents
1 Kazuyoshi Kikuchi 4
1 Norihiko Sakaida 4
1 Tsuyoshi Ohyama 4
#4 Atsushi Fukuta 3
#4 Hiroko Isayama 3
#4 Hiroki Iwata 3
#4 Takaharu Katou 3
#8 Hiroyuki Ishigaki 2
#8 Hideyuki Takeda 2
#8 Hiroto Yasue 2
#8 Keiichi Nishikawa 2
#8 Tatsuhito Aoyama 2
#8 Takahiro Mamiya 2
#8 Takahiro Minatani 2
#8 Tatsushi NABEI 2
#8 Toshio Iwata 2
#8 Yasuhisa Hirose 2
#8 Yasunori Nishimura 2
#19 Akihiro Ito 1
#19 Akihiro Yamamoto 1
#19 Fumihito Tsuchiya 1
#19 Ikuo Futamura 1
#19 Ikuo Ogino 1
#19 Katsumi Ogawa 1
#19 Kiyotoki Natsume 1
#19 Kyomi Yamada 1
#19 Masayuki Kouketsu 1
#19 Manabu Okuda 1
#19 Michio Miyashita 1
#19 Naohiko Noda 1
#19 Naoyuki Oba 1
#19 Naofumi Yoshida 1
#19 Nobuyuki Umemura 1
#19 Ryo Eguchi 1
#19 Shinjiro Hariyama 1
#19 Shinji Ishikawa 1
#19 Shunji Maruyama 1
#19 Tadashi Inoguchi 1
#19 Takemoto Kondo 1
#19 Takaharu Matsuura 1
#19 Takamasa Ohtani 1
#19 Yasushi Ohshima 1
#19 Yoshinori Tanaka 1
#19 Yuki Sakaki 1
#19 Yukihiro Taguchi 1