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

1,492 patents  ·  222 inventors

Ranked #2,132 of 112,640 cities Top 2%

Adachi, JP ranks #2,132 worldwide for total patents filed all time, with 1,492 patents from 222 inventors. Leading employers of inventors based in Adachi, JP include Micron, Semiconductor Energy Laboratory, Dic.

Showing 1–50 of 222 inventors

Rank Inventor Primary Company Patents
1 Toru Tanzawa Micron 302
2 Hirokazu Yamagata Semiconductor Energy Laboratory 50
3 Hiroshi Hasebe Dic 47
#4 Kiyofumi Takeuchi Dainippon Ink And Chemicals 44
#5 Daisuke Jitsukawa Fujitsu Limited 43
#6 Shotaro Kawakami Dic 36
#6 Kazuaki Morita Omron 36
#8 Hideo Morimoto Nitta 31
#8 Joji Kawamura Dic 31
#10 Tsutomu Kikawa Topcon 30
#11 Isa Nishiyama Dic 29
#12 Shogo Takahashi Mitsubishi Electric 27
#13 Tetsuya Kako Suntory Flowers Limited 23
#14 Masakazu Kaneoya Dic 22
#15 Masashi Osawa Dainippon Ink And Chemicals 21
#16 Yoshitaka Saito Dainippon Ink And Chemicals 20
#17 Kazuhiro Fujiwara Fujitsu Limited 18
#18 Shintaro Ishikawa Smc 16
#18 Masahiro Niwa Dic 16
#20 Kazuo Wakimura Mitsui Toatsu Chemicals, Incorporated 15
#21 Akira Hiroki Sumitomo Electric Industries 14
#22 Shoichi Kaneda Namiki Seimitsu Houseki 13
#22 Masayuki Okitsu Smc 13
#22 Kenta Tojo Dic 13
#22 Sho Aso Smc 13
#26 Kunihiko Kotani Dic 12
#26 Shuuhei Yamamoto Nitto Denko 12
#26 Hirokazu Iwakura Fujitsu Limited 12
#26 Kazuki Kurisawa Dic 12
#30 Shinichi Suzawa Sumitomo Electric Industries 10
#30 Masaaki Kawasumi Hoshizaki Denki 10
#30 Kazuomi Unosawa Freund Industrial Co. 10
#30 Kenji Shishido Smc 10
#30 Soichiro Takenishi Nisshinbo Industries 10
#35 Yutaka Kadomoto Dic 9
#35 Shinobu Takeuchi Moldec Co. 9
#35 Yoshihiro Ishihara Subaru 9
#35 Toshiaki Doi Nitto Chemical Industry Co. 9
#35 Kouichi Endo Dic 9
#35 Toshiro Nakamura Denso 9
#35 Yasuo Umezu Dic 9
#42 Akihiro Koiso Dic 8
#42 Shigeharu Oide Smc 8
#42 Hirofumi Omote Kabushiki Kaisha Toshiba 8
#45 Ryutaro Abe Toyoda Koki Kabushiki Kaisha 7
#45 Ryoji Yamamoto Anritsu 7
#45 Makoto Kawamukai Kaneka 7
#45 Shinji Satou Kyb-Ys Co. 7
#45 Haruki Ohishi Dic 7
#45 Shuji Otani Olympus 7

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