Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Wakayama, JP ranks #1,106 worldwide for total patents filed in 2021, with 130 patents from 82 inventors. Leading employers of inventors based in Wakayama, JP include Kao, Sanshin Industries, Honshu Chemical Industry Co..

Showing 1–50 of 82 inventors

Rank Inventor Primary Company Patents
1 Ryosuke Fujii Kao 6
2 Akihiro Onoue Sanshin Industries 4
2 Shogo Kamenoue Kao 4
2 Yasufumi Ueda Kao 4
2 Takeru Suto Honshu Chemical Industry Co. 4
2 Yoshiaki Kokubo Kokubo & Co. 4
#7 Shuichi Matsumoto Yamaha 3
#7 Mitsutaka Ozaki Honshu Chemical Industry Co. 3
#7 Teruyuki Fukuda Kao 3
#7 Miwa Hashimoto Honshu Chemical Industry Co. 3
#7 Yohji Hamada Apple 3
#12 Hideki Goto Sumitomo Wiring Systems 2
#12 Tetsuya EGUCHI Kao 2
#12 Masayoshi Nakamoto Kao 2
#12 Motoi Konishi Kao 2
#12 Ayako Sakuraba Kao 2
#12 Takaya Sakai Kao 2
#12 Keiichi Kondo Toyota 2
#12 Keiichi Nozawa Taiyo Yuden Co. 2
#12 Tetsuji Yamamoto Panasonic 2
#12 Tomohide Yoshida Kao 2
#12 Ryoto KANO Honshu Chemical Industry Co. 2
#12 Yukiko TABUCHI Kao 2
#12 Tatsuro Ozaki Kao 2
#12 Takashi Kaneda Fujitsu Limited 2
#12 Shotaro Shibata Kao 2
#12 Ryuma Mizushima Kao 2
#12 Wataru Yamauchi Shimano 2
#12 Koji Kita Noritsu Koki Co. 2
#30 Masaaki Yamamura Kao 1
#30 Shin Ugai Vallourec Oil And Gas France 1
#30 Tadanori YOSHIMURA Kao 1
#30 Masahito Chiwaki Kao 1
#30 Azusa Kuroda Kao 1
#30 Yuichiro Tase Kao 1
#30 Masanori Yamaguchi Sony 1
#30 Kazutomo Osaki Kao 1
#30 Kensuke MASUMURA Kao 1
#30 Tomoaki Il Kao 1
#30 Toshikazu Saeki Shin-Nakamura Chemical Co. 1
#30 Eiichi Yagi Kawasaki 1
#30 Yasuyuki Hattori Kao 1
#30 Keiko Fukaya Kao 1
#30 Miku Kobayashi Shima Seiki Mfg. 1
#30 Tomoaki Nakayama Shima Seiki Mfg. 1
#30 Takashi Morii Canon 1
#30 Ryoichi Kubota Shima Seiki Mfg. 1
#30 Akihito NASU Honshu Chemical Industry Co. 1
#30 Daisuke KAYAKUBO Kao 1
#30 Chizu Habukawa Panasonic 1