Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Topcon — 71 Patents in 2019

Rank (2019): #634 of 32,325Top 2%
105 inventors
71 Patents 2019

Top Inventors at Topcon 2019

Showing 1–50 of 105 inventors

RankNamePatents
1 Kaoru Kumagai 14
2 Tadayuki Ito 10
3 Fumio Ohtomo 7
#4 You Sasaki 6
#5 Satoshi Yanobe 5
#6 Masahiro Akiba 4
#6 Nobuyuki Nishita 4
#6 Takeshi Sasaki 4
#6 Tetsuji Anai 4
#10 Naoki Morikawa 3
#10 Ryota Ishiai 3
#10 Yosuke Okudaira 3
#10 Yoshikatsu Tokuda 3
#14 Atsushi Kubota 2
#14 Charles A. Reisman 2
#14 Daisuke Sasaki 2
#14 Hajime Shinozaki 2
#14 Hiroki Nagashima 2
#14 Hitoshi Otani 2
#14 Issei Hanya 2
#14 Jun Sakai 2
#14 Makoto Fujino 2
#14 Michiko Nakanishi 2
#14 Nobuyuki Fukaya 2
#14 Peng Zhao 2
#14 Satoshi Nakamura 2
#14 Shugo Akiyama 2
#14 Takahiro Komeichi 2
#14 Yoshihiko Tokuda 2
#30 Akiko Matsumoto 1
#30 Akemi Miwa 1
#30 Akira Oide 1
#30 Akinobu Sugiura 1
#30 Akira Takada 1
#30 Atsushi Shoji 1
#30 Eiji Takeuchi 1
#30 Fumihiko Kamizono 1
#30 Goro Iwasaki 1
#30 Hiroshi Akiyama 1
#30 Hiroki Fukaya 1
#30 Hisashi Isozaki 1
#30 Hideyuki Matsumoto 1
#30 Hideki Morita 1
#30 Hitoshi Ootani 1
#30 Hitoshi Shimizu 1
#30 Hideharu Suzuki 1
#30 Homare Momiyama 1
#30 Ikuo Ishinabe 1
#30 Jiang Liu 1
#30 Jun Cheng 1