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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Pentax Precision Co. — 15 Patents

Rank (All Time): #37,952 of 105,732Top 40%
20 inventors
15 Patents All Time

Top Inventors at Pentax Precision Co. All Time

Showing 1–20 of 20 inventors

RankNamePatents
1 Homu Takayama 8
1 Masami Shirai 8
3 Shinichi Suzuki 5
#4 Katsuhiko Kenjo 4
#4 Kenji Kaneko 4
#4 Masayuki Ueno 4
#7 Tadahisa Hoshino 2
#7 Takanori Yachi 2
#9 Eijiroh Tada 1
#9 Go Watanabe 1
#9 Masato Noguchi 1
#9 Masahiro Sakurai 1
#9 Masakazu Yamagata 1
#9 Mitsuhiro Matsumoto 1
#9 Nobuaki Kawatani 1
#9 Sachiko Nasu 1
#9 Shunichiro Wakamiya 1
#9 Tatsuo Gotoh 1
#9 Yoichi Kojima 1
#9 Sadao Murano 1