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

Ancos Co. — 18 Patents

Rank (All Time): #32,442 of 105,732Top 35%
5 inventors
18 Patents All Time

Patents per Year

Patents granted per year, 1980 to 2003Bar chart with a peak of 3 patents in 1990.peak 31980: 1 patents19801981: 2 patents1982: 2 patents19821983: 1 patents1984: 2 patents19841985: 1 patents1986: 2 patents19861990: 3 patents1991: 1 patents19911999: 1 patents2000: 1 patents20002003: 1 patents2003

Top Inventors at Ancos Co. All Time

Showing 1–5 of 5 inventors

RankNamePatents
1 Yasuyuki Hashimoto 16
2 Kazuo Shimizu 6
3 Haruo Yamashita 5
#4 Osamu Torii 4
#5 Yutaka Kiyohara 1