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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CK

Ckd — 16 Patents in 2025

Rank (2025): #1,869 of 24,478Top 8%
36 inventors
16 Patents 2025

Top Inventors at Ckd 2025

Showing 1–36 of 36 inventors

RankNamePatents
1 Norihiko Sakaida 3
1 Tsuyoshi Ohyama 3
3 Akihiro Ito 2
3 Hisashi Hatano 2
3 Hiroyuki Ishigaki 2
3 Hiroshi Itafuji 2
3 Ikuo Futamura 2
3 Kazuyoshi Kikuchi 2
3 Mitsuhiro Kosugi 2
3 Shinji Itoh 2
3 Shinichi Nitta 2
3 Tomoru Okada 2
#13 Atsuo Hayashi 1
#13 Chenghua Xue 1
#13 Hiroki Doi 1
#13 Hiroki Kadoya 1
#13 Hiroshi Kobayashi 1
#13 Ikuo Ogino 1
#13 Katsuya Okumura 1
#13 Masahide Gunji 1
#13 Masayuki Kouketsu 1
#13 Masaya Yamauchi 1
#13 Mitsuyoshi Ohsaki 1
#13 Naohiro Zaima 1
#13 Nobuhiro Fukukawa 1
#13 Shozo Oda 1
#13 Shinichi Okamoto 1
#13 Takemoto Kondo 1
#13 Takahiro Mamiya 1
#13 Takahiro Minatani 1
#13 Takamasa Ohtani 1
#13 Yasuhiko Kotera 1
#13 Yasunori Nishimura 1
#13 Yoshio Hayasaki 1
#13 Yoshiyuki Kobayashi 1
#13 Yukihiro Taguchi 1