Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kakegawa, JP ranks #1,261 worldwide for total patents filed all time, with 2,670 patents from 302 inventors. Leading employers of inventors based in Kakegawa, JP include Yazaki, Sharp Kabushiki Kaisha, Mitsubishi Electric.

Showing 1–50 of 302 inventors

Rank Inventor Primary Company Patents
1 Hirotaka Fukushima Yazaki 128
2 Masaya Okamoto Sharp Kabushiki Kaisha 118
3 Shigeo Mori Yazaki 100
#4 Toshiharu Takahashi Yazaki 82
#5 Takashi Tsukamoto Yazaki 74
#6 Yoshinori Yamashita Mitsubishi Electric 63
#7 Shinichi Yanagihara Yazaki 53
#8 Shogo Kawamura Canon 50
#9 Hideki Harada Fujitsu Limited 49
#10 Masao Bessho Sakata Seed 42
#11 Ryota Onoe Cataler 41
#11 Akira Kawamura Sony 41
#13 Tatsuya Goto Canon 40
#14 Nobuaki Yoshioka Yazaki 39
#15 Masaru Imai Sumitomo Electric Industries 38
#16 Shigeyuki Ogasawara Yazaki 36
#17 Tetsuya Shinozaki Sumitomo Wiring Systems 34
#18 Shinichi Niwa Minebea Co. 32
#19 Hiroyuki KAIDU Minebea Mitsumi 31
#19 Hiroaki Imai Yazaki 31
#19 Yutaro Okazaki Yazaki 31
#22 Yusuke Aoki Idemitsu Kosan Co. 27
#23 Takahiro Noguchi Canon 25
#24 Mitsuyoshi Okada Cataler 23
#25 Yoshinori Shigeta Kabushiki Kaisha Toshiba 22
#25 Yoshitaka Tsushima Yazaki 22
#25 Hiroshi Yanagita Merck 22
#28 Akihiro Hori Cataler 21
#28 Yoshinobu Furuya Yazaki 21
#30 Tetsuya Kume Shin-Etsu Chemical Co. 20
#30 Shigeki Mizuno Seiko Epson 20
#32 Takahiro Horikoshi Adeka 19
#32 Takenori Ohmura Yazaki 19
#34 Mikio Murakami Hoechst Gmbh 18
#35 Naoto Sugie Yazaki 17
#35 Tomoaki Terada Cataler 17
#37 Katsuto Taniguchi Merck 16
#37 Jun Yamakawa Furukawa Electric Co. 16
#37 Norio Sugiyama Yazaki 16
#37 Ryuta Takishita Yazaki 16
#37 Takayuki Hisanaka Unicharm 16
#42 Koichi Nishita Sakata Seed 15
#42 Shingo Sakagami Cataler 15
#42 Kazuaki Saito Yazaki 15
#42 Yoshiyuki Kojima Ihara Chemical Industry Co. 15
#46 Yukihisa Kikuchi Yazaki 14
#46 Takashi Sekito Merck 14
#46 Masayuki Kataoka Yazaki 14
#46 Keizo Aoki Yazaki 14
#50 Michiyoshi Fuyama Sakata Seed 13