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

San-Apro — 22 Patents

Rank (All Time): #27,265 of 105,732Top 30%
35 inventors
22 Patents All Time

Patents per Year

Patents granted per year, 1987 to 2025Bar chart with a peak of 3 patents in 1991.peak 31987: 1 patents19871991: 3 patents1996: 1 patents19961997: 1 patents2000: 1 patents20002006: 1 patents2010: 2 patents20102012: 3 patents2013: 1 patents20132015: 1 patents2018: 1 patents20182019: 1 patents2020: 1 patents20202022: 1 patents2024: 2 patents20242025: 1 patents2025

Top Inventors at San-Apro All Time

Showing 1–35 of 35 inventors

RankNamePatents
1 Hideki Kimura 7
2 Nobuyasu Nakasugi 6
3 Jiro Yamamoto 4
3 Yusaku Takashima 4
#5 Issei Suzuki 3
#5 Keiichi Nakatani 3
#5 Masashi Date 3
#5 Takuto Nakao 3
#9 Atsushi Shiraishi 2
#9 Noriya Fukunaga 2
#9 Shinji Yamashita 2
#9 Takuya Ikeda 2
#9 Yuji Nakamura 2
#14 Hiroyuki Hirano 1
#14 Hirofumi Imai 1
#14 Kenichi YAMAGATA 1
#14 Kouzou Hiraishi 1
#14 Masahiro Masujima 1
#14 Masaaki Oka 1
#14 Mitsuo Kurumaya 1
#14 Shohzo Ohnishi 1
#14 Shozo Oonishi 1
#14 Takeshi Furuta 1
#14 Takashi Ito 1
#14 Takaaki Kaiho 1
#14 Takahiro Kondo 1
#14 Tadamasa Kurosaki 1
#14 Takayuki Sekine 1
#14 Takaaki Sonoda 1
#14 Toshiaki Hato 1
#14 Tomoyuki SHIBAGAKI 1
#14 Tsuneo Hagiwara 1
#14 Wataru OKUYAMA 1
#14 Yoshitaka Komuro 1
#14 Yoshiyuki Utsumi 1