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

8,730 patents  ·  1,585 inventors

Ranked #359 of 112,640 cities Top 1%

Otsu, JP ranks #359 worldwide for total patents filed all time, with 8,730 patents from 1,585 inventors. Leading employers of inventors based in Otsu, JP include Sharp Kabushiki Kaisha, Sony, Toray Industries.

Showing 1–50 of 1,585 inventors

Rank Inventor Primary Company Patents
1 Hiroshi Hamada Sharp Kabushiki Kaisha 179
2 Takeshi Kubo Sony 80
3 Masataka Nakamura Toray Industries 67
3 Fumio Sato Nippon Electric Glass Co. 67
#5 Hiroaki Ueda Nec 62
#5 Shigeru Aoyama Omron 62
#7 Hiroshi Kajiyama Hitachi 58
#8 Hideki Asano Nippon Electric Glass Co. 53
#9 Kakuji Murakami Ricoh Company 51
#10 Hisashi Machida Nsk 47
#11 Shigeyuki Watanabe Koito Manufacturing Co. 46
#12 Takashi Mimura Toray Industries 45
#13 Takashi Uemori Takara Bio 44
#13 Masakazu Fukushima Hitachi 44
#15 Ryojiro Akashi — 43
#16 Yutaka Kitamura Mitsubishi Electric 42
#17 Masanori Wada Nippon Electric Glass Co. 40
#17 Yoshihiro Kawahara Kubota 40
#17 Hajime Nishimura Sony 40
#20 Mamoru Egi Omron 39
#21 Mitsuhito Suwa Toray Industries 38
#21 Toshihiko Ohta Hitachi 38
#21 Tomohiko Masuda Minolta 38
#21 Kazufumi Naito Ishida Co. 38
#25 Daisuke Ogata Sumitomo Electric Industries 37
#26 Yoshiyuki Ueno Toray Industries 36
#26 Kouji Yamada Toyo Seikan Co. 36
#26 Keiji Takeda Fujitsu Limited 36
#29 Eiji Kumagai Sony 35
#30 Hiroaki Kawamura Toyota 34
#30 Kazuhiko Fujisawa Johnson & Johnson 34
#30 Yuji Matsuo Canon 34
#33 Naoki Fujita Fanuc 33
#33 Kentaro Kobayashi Kabushiki Kaisha Toshiba 33
#33 Akihiko Tanaka Hitachi 33
#36 Yoshinobu Hemmi Omron 31
#36 Yoshiyuki Kataoka Hitachi 31
#36 Tetsuo Okuyama Kabushiki Kaisha Toshiba 31
#36 Akimitsu Tsukuda Toray Industries 31
#36 Daisuke Izuhara Toray Industries 31
#36 Seiichiro Murase Toray Industries 31
#42 Naoya Ogata The Goodyear Tire & Rubber 30
#42 Shigeru Matsuno Mitsubishi Electric 30
#44 Tomoyuki Horiguchi Toray Industries 29
#44 Masaru Hashimoto Toshiba 29
#46 Kazuto Miyoshi Toray Industries 27
#46 Yoshiharu Nishiura Sumitomo Electric Industries 27
#46 Masaru Shimomura Mitsubishi Electric 27
#46 Katsumi Terada Sanyo Electric Co. 27
#46 Masao Tomikawa Toray Industries 27

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