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USPTO Patent Rankings Data through Dec 31, 2025
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Petoca — 42 Patents

Rank (All Time): #15,404 of 106,120Top 15%
46 inventors
42 Patents All Time

Top Inventors at Petoca All Time

Showing 1–46 of 46 inventors

RankNamePatents
1 Yoshiyuki Nishimura 11
2 Hideyuki Nakajima 10
3 Toshio Tamaki 8
#4 Hiroshi Ejiri 5
#4 Minoru Takabatake 5
#4 Yoshikazu Nagata 5
#7 Akio Takamatsu 4
#7 Katsumi Takano 4
#7 Takashi Maeda 4
#7 Tomiji Hosotsubo 4
#7 Toshiyuki Ito 4
#7 Toshifumi Kawamura 4
#7 Yasushi Katsuta 4
#7 Yoshinori Suto 4
#15 Junichi Ida 3
#15 Masaki Iwata 3
#15 Sadatoshi Ohno 3
#15 Tetsuo Yamada 3
#15 Toshio Yonezawa 3
#20 Harumitsu Enomoto 2
#20 Hiroyasu Ogawa 2
#20 Mikio Watanabe 2
#20 Norio Takami 2
#20 Shin-ichi Nayuki 2
#20 Tadahiro Kakizawa 2
#20 Takahisa Ohsaki 2
#20 Tetsuji Takemura 2
#20 Yasuyuki Takai 2
#20 Yoshinori Yamazaki 2
#30 Haruki Yamasaki 1
#30 Hiroyuki Nakagawa 1
#30 Hidekazu Saito 1
#30 Hirofumi Tabata 1
#30 Kazunori Ishigami 1
#30 Kazuo Jonouchi 1
#30 Keiichiro Okamura 1
#30 Kouichi Miura 1
#30 Minoru Tamaki 1
#30 Morinobu Endo 1
#30 Sanji Arisawa 1
#30 Susumu Shimizu 1
#30 Tatsuya Tamura 1
#30 Tetsuo Yamamoto 1
#30 Yoshiyuki Suzuki 1
#30 Yuji Kawabuchi 1
#30 Hiroshi Eziri 1