Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Cosel Co. — 17 Patents

Rank (All Time): #34,647 of 105,732Top 35%
24 inventors
17 Patents All Time

Patents per Year

Patents granted per year, 2000 to 2021Bar chart with a peak of 6 patents in 2000.peak 62000: 6 patents20002001: 2 patents20012003: 1 patents20032006: 1 patents20062007: 1 patents20072012: 2 patents20122013: 1 patents20132016: 1 patents20162018: 1 patents20182021: 1 patents2021

Top Inventors at Cosel Co. All Time

Showing 1–24 of 24 inventors

RankNamePatents
1 Kuniaki Nagahara 7
2 Masaharu Maesaka 4
2 Toshio Watanabe 4
#4 Kazuhiro Horii 3
#4 Katsuhiro Koizumi 3
#4 Tatsuya Mano 3
#4 Toshihisa Miura 3
#4 Yuji Hirose 3
#9 Mitsuo Nakada 2
#9 Takeshi Usuda 2
#9 Takahiro Yoneda 2
#9 Tetsuo Sugimoria 2
#9 Yoshiki Matsuo 2
#9 Yuichi Uozu 2
#15 Hikaru Kobayashi 1
#15 Masanobu Hiramatsu 1
#15 Makoto Takashima 1
#15 Nakada Mitsuo 1
#15 Nobuto Kawataka 1
#15 Shinji Moriya 1
#15 Takeshi Takayanagi 1
#15 Yasuhiro Masuya 1
#15 Yoshimichi Hirokawa 1
#15 Yuta USUI 1