Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Uji, JP ranks #1,800 worldwide for total patents filed all time, with 1,842 patents from 417 inventors. Leading employers of inventors based in Uji, JP include Omron, Smc, Gunze Limited.

Showing 1–50 of 417 inventors

Rank Inventor Primary Company Patents
1 Masahiro Ono Omron 97
2 Masaru Narita Smc 51
3 Yoshito Ikada Gunze Limited 40
#4 Yoshiaki Echigo Unitika 38
#5 Nobuto Koyama Takara Shuzo Co. 37
#6 Akira Horiba Shimadzu 32
#7 Naru Yasuda Omron 31
#7 Yasuhiko Tabata Unknown 31
#7 Nobuo Fujita Toyota 31
#10 Makiko Watanabe Konica Minolta 29
#11 Makoto Sakakura Sumitomo Electric Industries 25
#12 Akihiko Sano Omron 23
#13 Shigeki Kajihara Shimadzu 22
#14 Suong-Hyu Hyon Bmg Incorporated 21
#15 Hiroshi Kinashi Sharp Kabushiki Kaisha 19
#15 Susumu Yoshikawa Kabushiki Kaisha Toshiba 19
#15 Kazuhiko Kuroki Sanyo Electric Co. 19
#15 Mitsuru Kuroda Nec 19
#19 Akira Shigeta Unitika 17
#19 Hideki Tominaga Shimadzu 17
#21 Jun Shimoyama Omron Healthcare Co. 16
#21 Hideyuki Bingo Omron Tateisi Electronics 16
#23 Shokyu Gen Bmg Incorporated 15
#24 Tsutomu Nishimura Sumitomo Electric Industries 14
#24 Kenzo Kataoka Morita Seisakusho 14
#24 Kazuki Hayata Kyocera 14
#24 Ayae Nagaoka Sharp Kabushiki Kaisha 14
#24 Toshinobu Yoko Ohcera Co. 14
#29 Takehiko Shimomura Mitsubishi Electric 13
#29 Sueaki Honda Omron Tateisi Electronics 13
#31 Kenji Soda Bioleaders 12
#31 Akira Ohata Toyota 12
#33 Yasuyoshi Yasaka Unknown 11
#33 Takahiro Hamaguchi Omron Healthcare Co. 11
#35 Hiroki Dejima Murata Manufacturing Co. 10
#35 Reizo Gomibuchi Nihon Sanmo Dyeing Co. 10
#35 Yoshihiro Kishida Dainippon Screen Mfg. Co. 10
#35 Manabu Kakino Sumitomo Electric Industries 10
#35 Kazunari Akiyoshi Kyoto University 10
#40 Kango Fujitani New Japan Chemical Co. 9
#40 Chuzo Isoda Dai-Ichi Kogyo Seiyaku Co. 9
#40 Jun Takashima Omron 9
#40 Masaji Mizuta Screen Holdings 9
#40 Teruya Shinjo Tdk 9
#40 Kazuhiko Kanki Sekisui Kagaku Kogyo 9
#40 Yasuhiko Asai Unitika 9
#40 Kenzo Motosugi Unitika 9
#40 Yukio Otsuka Toyota 9
#49 Kazue Miyake Takara Shuzo Co. 8
#49 Masakatsu Hiraoka Ngk Insulators 8