Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ise, JP ranks #4,408 worldwide for total patents filed all time, with 628 patents from 161 inventors. Leading employers of inventors based in Ise, JP include Tohoku University, Sharp Kabushiki Kaisha, Sony.

Showing 1–50 of 161 inventors

Rank Inventor Primary Company Patents
1 Hiroyuki Yokoyama Tohoku University 56
2 Hisashi Nagata Sharp Kabushiki Kaisha 38
3 Junichi Kurokawa 23
#4 Yuji Okumura Sony 22
#5 Shinji Onishi Murata Machinery 21
#6 Kazuo Okubo Fujitsu Limited 19
#7 Ieharu Hishinuma Eisai 17
#8 Tatsuo Tsubaki Murata Machinery 15
#9 Katsuyoshi Nakano 14
#9 Yukio Hamaguchi Sysmex 14
#9 Teruya Morita 14
#12 Hirokazu Kawai Daihen 13
#13 Mitsuhiro Hayashi 12
#14 Junji Kawano 9
#14 Satoru Maeno Mitsubishi Electric 9
#16 Chohei Okuno Teijin Seiki Co. 8
#17 Masaaki Narihisa 7
#17 Kiyoshige Ishiyama 7
#17 Kazuaki Kitamura Ngk Spark Plug Co. 7
#20 Tsutomu Shinya 6
#20 Takayoshi Otani Tris 6
#20 Hiromitsu Ogita 6
#20 Hiroki Kataoka 6
#20 Yuushi Sato Canon 6
#20 Toyotaka Nishikawa Panasonic 6
#20 Jun Sai Murata Machinery 6
#27 Masashi Kawabe Panasonic 5
#27 Hiroo Mike 5
#27 Kazuo Osawa 5
#27 Munekuni Oshima Murata Machinery 5
#27 Masami Morita 5
#27 Susumu Minamikawa Omron 5
#27 Tetsuo Oishi National Institute Of Advanced Industrial Science And Technology 5
#27 Katsumi Yasuda 5
#35 Kazuma Yagawa Murata Machinery 4
#35 Toshio Takasu Shimizu Construction Co. 4
#35 Shinichiro Endo Sumitomo Electric Industries 4
#35 Minoru Yamakuni 4
#35 Hisashi Onishi 4
#35 Hideaki Taki Ngk Spark Plug Co. 4
#35 Senzo Kyutoku 4
#35 Tsuyoshi Muraoka 4
#35 Tomoyuki Matsunaga 4
#44 Shinji Fujioka Murata Machinery 3
#44 Masahiro Hirukawa Central Glass Company, Limited 3
#44 Nobuo Seko Nec Tokin 3
#44 Toshihiro Mizui Ngk Spark Plug Co. 3
#44 Shigeyuki Kawamura 3
#44 Hiroyuki Oyobe 3
#44 Keiichiro Suriki Murata Machinery 3