Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HY

Haruki Yoshida

YAYazaki: 36 patents #64 of 3,427Top 2%
Ngk Spark Plug Co.: 34 patents #24 of 1,594Top 2%
NCNeturen Co.: 6 patents #14 of 161Top 9%
Toyota: 6 patents #4,786 of 26,838Top 20%
NCNiterra Co.: 5 patents #1 of 125Top 1%
MCMinolta Co.: 1 patents #942 of 1,416Top 70%
MCMori Seiki Co.: 1 patents #106 of 217Top 50%
Overall (All Time): #20,916 of 4,157,543Top 1%
83 Patents All Time

Issued Patents All Time

Showing 26–50 of 83 patents

Patent #TitleCo-InventorsDate
9755404 Spark plug Jumpei Isasa, Yutaka Yokoyama, Kuniharu Tanaka, Nobuyoshi Araki, Toshiki Kon 2017-09-05
9711951 Spark plug Yoshitomo Iwasaki, Toshitaka Honda 2017-07-18
9653888 Spark plug Yutaka Yokoyama, Kuniharu Tanaka, Katsuya Takaoka, Shun Kondo, Nobuyoshi Araki +6 more 2017-05-16
9614354 Spark plug Jumpei Kita, Yoshitomo Iwasaki, Toshitaka Honda 2017-04-04
9595814 Spark plug Takashi KASASHIMA, Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Toshitaka Honda +2 more 2017-03-14
9590395 Spark plug Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Toshitaka Honda, Hirokazu Kurono +1 more 2017-03-07
9570889 Spark plug Kengo Fujimura 2017-02-14
9484718 Spark plug Takamitsu Mizuno, Masaaki Kumagai, Jumpei Kita, Yoshitomo Iwasaki, Toshitaka Honda 2016-11-01
9461375 Connection terminal Yoshitaka Tsushima 2016-10-04
9461453 Terminal fitting Yoshitaka Tsushima 2016-10-04
9373940 Spark plug Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Hirokazu Kurono, Toshitaka Honda 2016-06-21
9312664 Spark plug Takamitsu Mizuno, Satoshi Yano 2016-04-12
9306299 Connection terminal having superimposed flat plate shaped attaching parts Yoshitaka Tsushima 2016-04-05
9281662 Spark plug Katsuya Takaoka, Kazuhiro Kurosawa, Kuniharu Tanaka, Hirokazu Kurono, Toshitaka Honda 2016-03-08
9160147 Spark plug and manufacturing method for same Toshitaka Honda, Houju Fukushima 2015-10-13
9160144 Spark plug with internal resistor having Ti and Zr components Toshitaka Honda 2015-10-13
9147962 Connector Osamu Shinmura, Jun Asada, Kazuhiro Yokoyama, Tsuyoshi Mizushima 2015-09-29
9124073 Spark plug Takamitsu Mizuno, Atsushi Tsukada 2015-09-01
9035541 Spark plug Takamitsu Mizuno 2015-05-19
8987980 Spark plug Jumpei Kita, Takamitsu Mizuno 2015-03-24
8963407 Spark plug Satoru Ochiai, Takamitsu Mizuno, Atsushi Tsukada 2015-02-24
8770777 Spark plug Toshitaka Honda, Akira Suzuki 2014-07-08
8710725 Spark plug Toshitaka Honda 2014-04-29
8653725 Spark plug for internal-combustion engine Toshitaka Honda 2014-02-18
8641444 Heat radiating connector Yoshiaki Ozaki 2014-02-04