Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Otsu, JP ranks #388 worldwide for total patents filed in 2020, with 391 patents from 242 inventors. Leading employers of inventors based in Otsu, JP include Kyocera Document Solutions, Fujitsu Limited, Toray Industries.

Showing 1–50 of 242 inventors

Rank Inventor Primary Company Patents
1 Shohei Fujiwara Kyocera Document Solutions 11
2 Keiji Takeda Fujitsu Limited 6
2 Masamichi Utsunomiya Toray Industries 6
2 Hiroaki Ueda Nec 6
2 Manabu Kawasaki Toray Industries 6
2 Fumio Sato Nippon Electric Glass Co. 6
#7 Yasuaki Tanimura Toray Industries 5
#7 Kyohei Kobayashi Kyocera 5
#7 Masaaki Umehara Toray Industries 5
#7 Seiichiro Murase Toray Industries 5
#11 Takeshi Kubo Sony 4
#11 Atsuki SAITO Nippon Electric Glass Co. 4
#11 Hideki Asano Nippon Electric Glass Co. 4
#11 Futoshi SUZUKI Nippon Electric Glass Co. 4
#15 Hideo YAMAUCHI Nippon Electric Glass Co. 3
#15 Kazuto Miyoshi Toray Industries 3
#15 Daisaku Tanaka Toray Industries 3
#15 Yuki Sekido Toray Industries 3
#15 Toru Shiragami Nippon Electric Glass Co. 3
#15 Motonori Hochi Toray Industries 3
#15 Masaru Noro Sanyo Electric Co. 3
#15 Junji Wakita Toray Industries 3
#15 Yasushi Tamura Sumitomo Electric Industries 3
#15 Hirotoshi Sakaino Toray Industries 3
#15 Katsumi Terada Sanyo Electric Co. 3
#15 Mitsuhito Suwa Toray Industries 3
#15 Yuki MASUDA Toray Industries 3
#15 Toru Tonomura Tokuden Co. 3
#15 Katsuya Sode Toray Industries 3
#15 Hiroji Shimizu Toray Industries 3
#15 Hajime Nishimura Sony 3
#32 Shinsaku Nishida Nippon Electric Glass Co. 2
#32 Shinichi Ishibashi Showa Denko K.K. 2
#32 Chika Hibino Toray Industries 2
#32 Takayuki Uto Toray Industries 2
#32 Satoshi KAMEMOTO Toray Industries 2
#32 Ryuichiro HIRANABE Toray Industries 2
#32 Takashi Ohkame Toyobo Co. 2
#32 Dai Kondo Denso 2
#32 Akimitsu Tsukuda Toray Industries 2
#32 Hiroyuki Uebayashi Toray Industries 2
#32 Junichi Urai Toray Industries 2
#32 Sukehiro Niga New Japan Chemical Co. 2
#32 Hiroyuki Aso Fujitsu Limited 2
#32 Masaru Hashimoto Toshiba 2
#32 Yuki Tsuruguchi Omron 2
#32 Tadahito FURUYAMA Nippon Electric Glass Co. 2
#32 Yasunori KUSE Toray Industries 2
#32 Kazuhiro Toda Hitachi Kokusai Electric 2
#32 Koki Miyazono Toray Industries 2