Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kadoma, JP ranks #948 worldwide for total patents filed all time, with 3,516 patents from 608 inventors. Leading employers of inventors based in Kadoma, JP include Victor Company Of Japan, Sumitomo Electric Industries, Mitsubishi Electric.

Showing 1–50 of 608 inventors

Rank Inventor Primary Company Patents
1 Tetsuya Kondo Victor Company Of Japan 193
2 Nobuo Akahira Sumitomo Electric Industries 67
3 Makoto Gotou Sumitomo Electric Industries 66
#4 Eiichi Yasumoto Sumitomo Electric Industries 52
#5 Yoshihiro Bessho Sumitomo Electric Industries 51
#6 Yutaka Taguchi Sumitomo Electric Industries 49
#7 Kazuo Mori Mitsubishi Electric 45
#8 Norihiro Yamamoto Nsk-Warner K.K. 38
#8 Nobuo Sonoda Sumitomo Electric Industries 38
#10 Seiji Yoshimura Sanyo Electric Co. 36
#11 Kunio Hoshino Sumitomo Electric Industries 35
#12 Toshitada Sato Panasonic 32
#12 Kiyotaka Wasa Sumitomo Electric Industries 32
#14 Kazushi Higashi Sumitomo Electric Industries 31
#14 Eiji Ando Sumitomo Electric Industries 31
#16 Shusuke Ono Sumitomo Electric Industries 30
#16 Taro Mochida Panasonic 30
#18 Kuniko Nakata Sumitomo Electric Industries 28
#18 Shoriki Narita Sumitomo Electric Industries 28
#18 Takeo Ohta Sumitomo Electric Industries 28
#21 Yoshikazu Kuzuoka Panasonic 26
#22 Shinichi Fukushima Sony 25
#22 Yasuhiro Gotoh Sumitomo Electric Industries 25
#22 Yousuke Irie Panasonic 25
#25 Hironori Deguchi Sumitomo Electric Industries 24
#26 Yasuharu Shimeki Sumitomo Electric Industries 23
#26 Takuya Komoda Panasonic 23
#28 Tsuneo Mitsuyu Sumitomo Electric Industries 22
#28 Toshiaki Nakajo Panasonic 22
#28 Wataru Shimotsuma Sumitomo Electric Industries 22
#28 Etsushi Muramatsu Panasonic 22
#32 Keiko Ohta Panasonic 21
#32 Mitsuyuki Kiuchi Sumitomo Electric Industries 21
#34 Masato Yamamichi Panasonic 20
#34 Masaru Uya Sumitomo Electric Industries 20
#34 Akira Takara Sumitomo Electric Industries 20
#34 Koji Funami Panasonic 20
#34 Motokazu Watanabe Sumitomo Electric Industries 20
#39 Makoto Tsutsue Panasonic 19
#40 Toshiyuki Okino Sanyo Electric Co. 18
#40 Ichiro Nakao Sumitomo Electric Industries 18
#40 Tomoyuki Kawahara Hitachi Koki Co. 18
#40 Shigehito Hara Panasonic 18
#40 Takao Miyai Panasonic 18
#40 Yasuhiro Akahori Panasonic 18
#46 Katsuyuki Fujito Sumitomo Electric Industries 17
#47 Mikihiro Shimada Sumitomo Electric Industries 15
#47 Kiyotaka Sasanouchi Panasonic 15
#47 Masahito Ohnishi Panasonic 15
#50 Toshihiro Sakamoto Sumitomo Electric Industries 14