Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Pioneer — 54 Patents in 2021

Rank (2021): #753 of 31,507Top 3%
92 inventors
54 Patents 2021

Top Inventors at Pioneer 2021

Showing 1–50 of 92 inventors

RankNamePatents
1 Masahiro Kato 5
1 Takeru Okada 5
3 Hiroyuki Dohi 3
3 Kazutoshi Kitano 3
3 Kenji Mito 3
#6 Akari Agata 2
#6 Genki Adachi 2
#6 Hitoshi Kaneko 2
#6 Hiroyuki Kobayashi 2
#6 Hiroki Tan 2
#6 Kazuaki Arai 2
#6 Maho Miyamoto 2
#6 Meiji Kitamura 2
#6 Noriaki WAKI 2
#6 Ryoko Niihara 2
#6 Satoru Hiwatari 2
#6 Shinichi Ishizuka 2
#6 Takeshi Koda 2
#6 Tomoya Murakami 2
#20 Atsuya Ito 1
#20 Atsushi Kudo 1
#20 Atsushi Yamaguchi 1
#20 Ayako Yoshida 1
#20 Chihiro Harada 1
#20 Daisuke Hirabayashi 1
#20 Eiji Nakai 1
#20 Go Takahashi 1
#20 Hayami Kondo 1
#20 Hirokazu Hashikawa 1
#20 Hirotsugi HATAKEYAMA 1
#20 Hiroaki Kitahara 1
#20 Hideki Kobayashi 1
#20 Hirofumi Matsumura 1
#20 Hiroshi Nagata 1
#20 Hirotaka Nakahara 1
#20 Hironori Shigeta 1
#20 Hirofumi SHIMOKAWA 1
#20 Hiroyuki Tanaka 1
#20 Ikuya Kikuchi 1
#20 Isamu Ohshita 1
#20 Itaru Takemura 1
#20 Jiro Fujimori 1
#20 Junji Taguchi 1
#20 Jun Yuyama 1
#20 Kazuya Hata 1
#20 Kazushige Hayashi 1
#20 Kazuo Murata 1
#20 Kazuhiro Nakao 1
#20 Katsunori Obata 1
#20 Kazuaki Watanabe 1