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USPTO Patent Rankings Data through Dec 31, 2025
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Okaya, JP All Time

1,731 patents  ·  166 inventors

Ranked #1,886 of 112,640 cities Top 2%

Okaya, JP ranks #1,886 worldwide for total patents filed all time, with 1,731 patents from 166 inventors. Leading employers of inventors based in Okaya, JP include Seiko Epson, Fujitsu Limited, Fuji Electric Co..

Showing 1–50 of 166 inventors

Rank Inventor Primary Company Patents
1 Naomi Kimura Seiko Epson 94
2 Toshiaki Hashizume Seiko Epson 89
3 Takahiro Katakura Seiko Epson 84
#4 Hiroshige Owaki Seiko Epson 83
#5 Kunihiko Takagi Seiko Epson 81
#6 Toshiyuki Kasai Seiko Epson 80
#7 Atsushi Matsuo Seiko Epson 74
#8 Kaneo Yoda Seiko Epson 58
#9 Kazutoshi Fujisawa Seiko Epson 45
#10 Akihiko TSUNOYA Seiko Epson 42
#11 Hideya Yokouchi Seiko Epson 38
#12 Yoshitomo Kumai Seiko Epson 31
#12 Tetsuo Takagi Seiko Epson 31
#14 Masafumi Yamazaki Fujitsu Limited 29
#15 Shuichi Wakabayashi Seiko Epson 28
#15 Yoshiyuki Kamihara Seiko Epson 28
#17 Kazunori Takabayashi Seiko Epson 26
#18 Akira Morozumi Fuji Electric Co. 23
#18 Tadashi Kinebuchi Seiko Epson 23
#20 Hideki Furihata Seiko Epson 22
#20 Eiji Miyasaka Dainippon Screen Mfg. Co. 22
#20 Osamu Urano Seiko Epson 22
#20 Fumikazu Komatsu Seiko Epson 22
#24 Ayako Kobayashi Seiko Epson 21
#25 Kenichi Seguchi Seiko Epson 19
#25 Tomio Hama Yugen Kaisha Hama International 19
#27 Toshiyuki Nozawa Seiko Epson 18
#27 Shinobu Yokokawa Seiko Epson 18
#29 Hirofumi Terasawa Daiichi Pharmaceutical Co. 17
#30 Masayuki Oto Epson Toyocom 16
#31 Kazuma Ozaki Seiko Epson 15
#31 Takeshi Furihata Seiko Epson 15
#33 Yukihiro Uchiyama Seiko Epson 14
#33 Seiji Osawa Seiko Epson 14
#35 Naoto ARUGA Seiko Epson 13
#35 Hideo Miyasaka Seiko Epson 13
#35 Hirokazu Kasahara Seiko Epson 13
#38 Kaori Sendai Seiko Epson 12
#38 Masahiro Oguchi Unknown 12
#40 Yukiyoshi Ajisawa Kissei Pharmaceutical Co. 11
#40 Noriaki Miyasaka Seiko Epson 11
#40 Yukinori Sugiyama Nippon Light Metal Company 11
#43 Youichi Moto Kyocera 10
#43 Shigeo Sugimura Seiko Epson 10
#43 Katsunari Kumagai Seiko Epson 10
#46 Akihiko Isaka Sankyo Seiki Seisakusho 9
#46 Hiroshi Suzushima Olympus 9
#46 Nobuyuki Setsuda Seiko Epson 9
#46 Shuichi Kanemoto Seiko Epson 9
#50 Yoshikazu HAMA Seiko Epson 8

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