Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Nara, JP ranks #281 worldwide for total patents filed in 2021, with 486 patents from 183 inventors. Leading employers of inventors based in Nara, JP include Panasonic, Ningbo Sunny Opotech Co., Sony.

Showing 1–50 of 183 inventors

Rank Inventor Primary Company Patents
1 Takahiro NISHI Panasonic 110
2 Tomoyuki Haga Panasonic 19
3 Stephen William John Panasonic 17
#4 Takehiko Tanaka Ningbo Sunny Opotech Co. 15
#5 Yoshio Urabe Panasonic 14
#6 Yuki Kobayashi Sony 11
#6 Ryosuke Okawa Nuvoton Technology Corporation Japan 11
#8 Jun Ozawa Panasonic 10
#9 Koichi Kusukame Panasonic 9
#9 Shinichi Shikii Panasonic 9
#11 Shinobu Adachi Panasonic 8
#12 Keiichiro Nukada Panasonic 7
#12 Yosuke Nagasawa Panasonic 7
#14 Kazuhiko Tsuda Sharp Kabushiki Kaisha 6
#15 Tadashi Yamazaki Mazda Motor 5
#15 Hiroaki Okayama Panasonic 5
#17 Hitoshi Fukui Panasonic 4
#17 Takeo Yasuda IBM 4
#17 Yoshitsugu Uriu Panasonic 4
#17 Katsuhiko Hayashi Panasonic 4
#17 Tadanori Shirasawa Panasonic 4
#22 Junichiro Soeda Panasonic 3
#22 Nobuyuki Ashida Sharp Kabushiki Kaisha 3
#22 DAISUKE INO Panasonic 3
#22 Tsutomu Tamura Jtekt 3
#22 Toshihiro Moriya Omron 3
#22 Satoshi Arima Mitsumi Electric Co. 3
#22 Wei Chen Tmy Technology 3
#22 Atsuo Nakao Panasonic 3
#22 Tsutomu Kawashima Panasonic 3
#31 Yoshimasa Ando Mitsubishi Electric 2
#31 Fumiji Aita Omron 2
#31 Akinori Yukimasa Panasonic 2
#31 Akiyoshi Kusaka Sekisui Plastics Co. 2
#31 Osamu Mizuno Panasonic 2
#31 Shota Miyaguchi Omron 2
#31 Hiroyuki Asano Panasonic 2
#31 Shigeo Ohyama Sharp Kabushiki Kaisha 2
#31 Yoshinao Morikawa Sharp Kabushiki Kaisha 2
#31 Mikiko Matsuo Panasonic 2
#31 Hirotaka Wada Omron 2
#31 Haruka Yamazaki Mitsubishi Electric 2
#31 Kunihiro Ukai Panasonic 2
#31 Seiya Tsujimura Ikeda Food Research Co. 2
#31 Masahiro Seki Ricoh Company 2
#31 Hironobu Machida Kabushiki Kaisha Toshiba 2
#31 Koji Katayama Sumitomo Electric Industries 2
#31 Kengo ABE Panasonic 2
#31 Hironori Nakada Omron 2
#31 YOSHIAKI IKEUCHI Panasonic 2