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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
AC

Aupac Co. — 8 Patents

Rank (All Time): #63,430 of 105,732Top 60%
8 inventors
8 Patents All Time

Patents per Year

Patents granted per year, 1980 to 2019Bar chart with a peak of 2 patents in 1998.peak 21980: 1 patents19801982: 1 patents19821986: 1 patents19861987: 1 patents19871995: 1 patents19951998: 2 patents19982019: 1 patents2019

Top Inventors at Aupac Co. All Time

Showing 1–8 of 8 inventors

RankNamePatents
1 Makoto Yoshida 4
2 Shinya Ashimura 3
2 Yuzuru Yoshida 3
#4 Masakazu Suwa 2
#4 Mitsuhiko Yamaguchi 2
#4 Satoru Baba 2
#4 Toru Abe 2
#8 Hiroyuki Matsumoto 1