Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Haruo Suzuki — 65 Patents

Denso: 18 patents #512 of 11,792Top 5%
JCJidosha Kiki Co.: 14 patents #8 of 196Top 5%
NCNippondenso Co.: 6 patents #366 of 3,479Top 15%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
SCSumitomo Chemical: 4 patents #1,124 of 4,033Top 30%
Hitachi: 3 patents #10,712 of 28,497Top 40%
NCNippon Kokan Co.: 2 patents #138 of 735Top 20%
NCNkk Co.: 2 patents #309 of 1,173Top 30%
NCNihon Spindle Manufacturing Co.: 1 patents #17 of 47Top 40%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
SCSenju Metal Industry Co.: 1 patents #203 of 349Top 60%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
Sony: 1 patents #17,262 of 25,231Top 70%
CKCalsonic Kansei: 1 patents #307 of 675Top 50%
CLCentral Glass Company, Limited: 1 patents #505 of 968Top 55%
HAHitachi Aic: 1 patents #6 of 18Top 35%
ILIsuzu Motors Limited: 1 patents #414 of 908Top 50%
KSKobe Steel: 1 patents #937 of 1,773Top 55%
MCMatushita Electric Industrial Co.: 1 patents #3 of 106Top 3%
MMMitsubishi Mining: 1 patents #886 of 2,247Top 40%
Overall (All Time): #33,444 of 4,157,543Top 1%
65 Patents All Time

Issued Patents All Time

Showing 51–65 of 65 patents

Patent #TitleCo-InventorsDate
4619185 Brake booster Kohei Mori 1986-10-28
4610910 Printed circuit board, process for preparing the same and resist ink used therefor Mineo Kawamoto, Kanji Murakami, Haruo Akahoshi, Yoichi Matsuda, Motoyo Wajima +4 more 1986-09-09
4523041 Method of purifying 4-fluorophenol Toshikazu Kawai, Shouzou Kaneda 1985-06-11
4512237 Tandem type brake power servo booster Kazunori Endoh 1985-04-23
4497359 Die-casting method Shigeyoshi Hashimoto 1985-02-05
4475462 Tiltable hanger apparatus Masahiro Tsumaki, Toshihiko Fujii, Hideaki Kamiya, Yoshihiro Goto 1984-10-09
4446907 Die-casting method Shigeyoshi Hashimoto 1984-05-08
4380261 Die-casting method Shigeyoshi Hashimoto 1983-04-19
4379892 Method for prevention of loss of transparency of polyarylene ester blends Katsuzi Ueno, Takashi Maruyama, Teruo Saito 1983-04-12
4359183 Carton handle Kouichirou Aida, Mitsuru Kuwabara, Yukio Imaizumi 1982-11-16
4327205 Bulk Polycondensation process for producing aromatic polyesters Yasuyuki Kato, Masatsune Kondo, Hiroaki Sugimoto, Junichi Kimura, Zyunso Saito 1982-04-27
4324629 Process for regenerating chemical copper plating solution Hitoshi Oka, Hiroshi Kikuchi, Hitoshi Yokono, Toyofusa Yoshimura, Akira Matsuo +3 more 1982-04-13
4313870 Process for producing polycondensates Shozaburo Imai, Kuniaki Asai, Katsuji Ueno 1982-02-02
4311823 Process for producing aromatic polyesters Shozaburo Imai, Kuniaki Asai, Katsuji Ueno 1982-01-19
4261191 Method and apparatus for winding metal wires around a reel structure Makoto Ida, Atutosi Takaki, Yasuo Araike, Yosikazu Sasa, Kazuhide Yoshida 1981-04-14