Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yasugi, JP ranks #5,818 worldwide for total patents filed all time, with 436 patents from 79 inventors. Leading employers of inventors based in Yasugi, JP include Hitachi, Hiroshima University, Soshotech Co..

Showing 1–50 of 79 inventors

Rank Inventor Primary Company Patents
1 Tomonori Ueno Hitachi 43
2 Toshihiro Uehara Hitachi 40
3 Takehiro Ohno Hitachi 21
3 Rikizo Watanabe Hitachi 21
#5 Shin Yokoyama Hiroshima University 17
#6 Toshio Okuno Soshotech Co. 15
#7 Takashi Meguro Hitachi 14
#7 Tomoyuki Satoh Ricoh Company 14
#7 Yoshio Bizen Hitachi 14
#10 Yasunori Nozaki Hitachi 12
#10 Takesi Inoue Mitsubishi Electric 12
#12 Kaoru Masuda Hitachi 10
#12 Jun Sunakawa Hitachi 10
#14 Tatsuya Shoji Hitachi 9
#15 Akihiro Toji Hitachi 6
#15 Katsuhiko Ohishi Hitachi 6
#15 Hiroshi Takatsuka Sony 6
#15 Takayuki Moriwaki Canon 6
#15 Takajiro Kondo Hitachi 6
#20 Hironori Nakanishi Hitachi 5
#20 Takayuki Fukaya Hitachi 5
#20 Kenichiro Hara Kawai Gakki Seisakusho 5
#20 Kunichika Kubota Hitachi 5
#20 Shinya Ishihara NTT 5
#20 Setsuo Mishima Hitachi 5
#26 Hitoyuki Adachi 4
#26 Takeshi Kuboi Hitachi 4
#26 Eiji Hirakawa Hitachi 4
#26 Junya Nishina Hitachi 4
#26 Hideshi Nakatsu Hitachi 4
#26 Katsufumi Kuroda Hitachi 4
#26 Iwao Kashiwagi Hitachi 4
#26 Shinichiro Yokoyama Hitachi 4
#26 Naoyuki Iwasa Hitachi 4
#26 Hiroshi Shibasaki Hitachi 4
#36 Yoshiki Masugata Hitachi 3
#36 Noriyuki Nakaoka Hitachi 3
#36 Takayuki Motegi Hitachi 3
#36 Yukio Shinji Hitachi 3
#36 Shinya Nagao Hitachi 3
#36 Koichi Miyauchi Dexerials 3
#36 Daiki Shinno Proterial 3
#36 Hiroyoshi Fujihara Hitachi 3
#36 Michihiro Nagao Hitachi 3
#36 Hideya Yamada Hitachi 3
#36 Yoshihiro Minagi Hitachi 3
#36 Kagehiro Kageyama Hitachi 3
#36 Shingo Kumamoto Hitachi 3
#36 Fujio Yamane Hitachi 3
#50 Masaru Fujiyoshi Hitachi 2