Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Topcon — 69 Patents in 2021

Rank (2021): #580 of 31,507Top 2%
93 inventors
69 Patents 2021

Top Inventors at Topcon 2021

Showing 1–50 of 93 inventors

RankNamePatents
1 Fumio Ohtomo 8
1 Kaoru Kumagai 8
3 Makoto SAIKA 5
3 Zhenguo Wang 5
#5 Kazuhiro Oomori 4
#5 Nobuyuki Nishita 4
#5 Yasufumi Fukuma 4
#8 Daisuke Sasaki 3
#8 Hideharu Suzuki 3
#8 Jun Sakai 3
#8 Masahiro Akiba 3
#8 Makoto Fujino 3
#8 Tetsuji Anai 3
#8 Zaixing Mao 3
#15 Akinobu Sugiura 2
#15 Hideyuki Matsumoto 2
#15 Ikuo Ishinabe 2
#15 Jonathan Liu 2
#15 Ken-ichiro Yoshino 2
#15 Kinpui Chan 2
#15 Kouta Fujii 2
#15 Masae Matsumoto 2
#15 Masashi Yamaoka 2
#15 Naoki Shoji 2
#15 Ryosuke Tomizawa 2
#15 Satoshi Yasutomi 2
#15 Shugo Akiyama 2
#15 Suguru Miyagawa 2
#15 Taiki Aimi 2
#15 Takeshi Kikuchi 2
#15 Tatsuo Yamaguchi 2
#15 Toshihiro Mino 2
#15 Tsutomu Kikawa 2
#15 Yasushi Tanaka 2
#15 You Sasaki 2
#15 Yoko TATARA 2
#15 Yusuke Ono 2
#38 Akitoshi Yoshida 1
#38 Atsushi Kubota 1
#38 George Kelly CONE 1
#38 Hiroyuki Aoki 1
#38 Hiroaki Minamide 1
#38 Hideki Morita 1
#38 Hirokazu Onji 1
#38 Hitoshi Otani 1
#38 Hisashi Tsukada 1
#38 Hiroyuki Ueda 1
#38 Hideo Yokota 1
#38 Issei Hanya 1
#38 Jongsik Kim 1