Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Ngk Spark Plug Co. — 66 Patents in 2021

Rank (2021): #609 of 31,507Top 2%
139 inventors
66 Patents 2021

Top Inventors at Ngk Spark Plug Co. 2021

Showing 1–50 of 139 inventors

RankNamePatents
1 Hitoshi Furuta 3
1 Tatsuya Gozawa 3
1 Takehiro Oba 3
1 Yoshihiro Nakano 3
#5 Atsushi Tsuchida 2
#5 Daisuke Ichikawa 2
#5 Daisuke Kasahara 2
#5 Daisuke Sumoyama 2
#5 Haruki Yoshida 2
#5 Jun Moteki 2
#5 Kazuki ITO 2
#5 Kenji Ban 2
#5 Kentaro Kamada 2
#5 Masaki Mizutani 2
#5 Masaya Watanabe 2
#5 Masahiro Yamashita 2
#5 Naoki Andoh 2
#5 Naoki Nishio 2
#5 Noriaki Tokusho 2
#5 Shoji Kitanoya 2
#5 Shunya Mihara 2
#5 Shohei Takaku 2
#5 Takahiro Hayashi 2
#5 Takeshi Mitsuoka 2
#5 Takuya NAKATSUKASA 2
#5 Tetsuo Yamada 2
#5 Toshiya Umeki 2
#5 Tsuneyuki ITO 2
#5 Yusuke Katsu 2
#5 Yusuke Matsukura 2
#5 Yusuke Tanahashi 2
#32 Ai Hayasaka 1
#32 Ai Igarashi 1
#32 Akinori Kojima 1
#32 Akifumi Tosa 1
#32 Atsutoshi Hidaka 1
#32 Atsushi Komura 1
#32 Daisuke SHISHIHARA 1
#32 Fumihiro Kikkawa 1
#32 Hirofumi Ando 1
#32 Hisanori Aoyama 1
#32 Hironari Furuta 1
#32 Hisashi KOZUKA 1
#32 Hidetoshi Mizutani 1
#32 Hirotaka Onogi 1
#32 Hirotaka SAITO 1
#32 Hiroki Shimada 1
#32 Hideo Tange 1
#32 Hironori Uegaki 1
#32 Jun Kurano 1