Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Nara, JP ranks #137 worldwide for total patents filed all time, with 20,071 patents from 2,795 inventors. Leading employers of inventors based in Nara, JP include Panasonic, Minolta, Ningbo Sunny Opotech Co..

Showing 1–50 of 2,795 inventors

Rank Inventor Primary Company Patents
1 Takahiro NISHI Panasonic 1,205
2 Jun Ozawa Panasonic 195
3 Tomoyuki Haga Panasonic 167
#4 Yoshio Urabe Panasonic 165
#5 Katsuhiko Hayashi Panasonic 152
#6 Masaaki Nakai Minolta 143
#7 Takehiko Tanaka Ningbo Sunny Opotech Co. 140
#8 Kaoru Murase Sumitomo Electric Industries 134
#9 Yuki Kobayashi Sony 123
#10 Koji Katayama Sumitomo Electric Industries 116
#11 Yasumori Hino Panasonic 113
#12 Toshiya Yokogawa Panasonic 109
#13 Kunihiro Ukai Panasonic 96
#14 Akihiro Sakai Panasonic 92
#14 Junichiro Nakayama Sharp Kabushiki Kaisha 92
#16 Koichi Kusukame Panasonic 89
#17 Shinichi Shikii Panasonic 86
#18 Osamu Mizuno Panasonic 84
#18 Hiroshige Hirano Sumitomo Electric Industries 84
#20 Hideki Fukuda Sumitomo Electric Industries 82
#21 Toshiro Hayakawa Sharp Kabushiki Kaisha 80
#21 Shun Ueki Sharp Kabushiki Kaisha 80
#23 Kazuhiko Tsuda Sharp Kabushiki Kaisha 79
#24 Tetsuya Asano Panasonic 76
#25 Yuka Yamada Panasonic 75
#25 Fumitomo Yamasaki Panasonic 75
#27 Junichi Minamino Panasonic 72
#28 Bunji Mizuno Panasonic 70
#28 Ryuji Suzuki Canon 70
#28 Shuji Saiki Panasonic 70
#28 Kohei Nakata Panasonic 70
#32 Toshihisa Deguchi Sharp Kabushiki Kaisha 68
#32 Hiroyuki Asano Panasonic 68
#32 Harumitsu Miyashita Panasonic 68
#35 Shuichi Kozaki Sharp Kabushiki Kaisha 63
#36 Koji Nakagawa Citizen Watch Co. 61
#37 Go Mori Sharp Kabushiki Kaisha 59
#37 Kunio Yoshida Sharp Kabushiki Kaisha 59
#39 Takeo Yasuda IBM 57
#40 Hiroaki Okayama Panasonic 55
#40 Satoshi Miyamoto Olympus 55
#40 Mikihiko Nishitani Sumitomo Electric Industries 55
#43 Shigeo Terashima Sharp Kabushiki Kaisha 54
#43 Yoshinao Morikawa Sharp Kabushiki Kaisha 54
#45 Shinobu Adachi Panasonic 52
#46 Hironori Tomita Panasonic 50
#46 Mitsuaki Ohtani Shionogi & Co. 50
#46 Stephen William John Panasonic 50
#49 Hideharu Takezawa Panasonic 49
#50 Osamu Kusumoto Panasonic 48