Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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C. Itoh & Co. — 11 Patents

Rank (All Time): #50,758 of 105,732Top 50%
10 inventors
11 Patents All Time

Patents per Year

Patents granted per year, 1981 to 1992Bar chart with a peak of 4 patents in 1989.peak 41981: 1 patents19811983: 1 patents19831984: 1 patents19841987: 1 patents19871988: 2 patents19881989: 4 patents19891992: 1 patents1992

Top Inventors at C. Itoh & Co. All Time

Showing 1–10 of 10 inventors

RankNamePatents
1 Thomas U. Coe 4
2 Atsushi Yamazaki 3
2 Hiroshi Uchiyama 3
#4 Chris Krishnan 2
#5 Akijiro Shibayama 1
#5 Daiji Nagatomo 1
#5 Koichi Awazu 1
#5 Susumu Higuchi 1
#5 Toshinori Morizane 1
#5 Yuko Yoshida 1