Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hashima, JP ranks #4,089 worldwide for total patents filed all time, with 695 patents from 102 inventors. Leading employers of inventors based in Hashima, JP include Brother Kogyo, Sanyo Electric Co., Denso.

Showing 1–50 of 102 inventors

Rank Inventor Primary Company Patents
1 Naoya Okazaki Brother Kogyo 78
2 Takeshi Asano Brother Kogyo 76
3 Motoaki Mushika Brother Kogyo 74
#4 Shuichi Ichiura Sanyo Electric Co. 31
#4 Hideji Yoshida Denso 31
#6 Hidekazu Okada Clover Mfg. Co. 29
#7 Yuji Nishigaki Canon 28
#8 Koichiro Akatsuka Kyb 20
#9 Shigeaki Nomura Fuji Seiko Co. 16
#9 Yasuyuki Kanou Sanyo Electric Co. 16
#11 Masato Komatsuki Sumitomo Rubber Industries 14
#11 Shigemasa Takagi Fuji Seiko Co. 14
#13 Kazuhiro Sasada Sanyo Electric Co. 12
#14 Masatoshi Taguchi Aisin Aw Co. 11
#14 Nobuaki Asai Brother Kogyo 11
#14 Tetsuji Fuwa Brother Kogyo 11
#17 Kihachiro Nishida Fuji Shoji Co. 9
#17 Tomonori Tsuchimoto Ngk Insulators 9
#19 Kazuhiro Hayamizu Brother Kogyo 8
#19 Shouichi Takeyama Denso 8
#21 Tatsumi Tanaka Fuji Seiko Co. 7
#22 Kyoko Hirai Sanyo Electric Co. 6
#22 Takahiko Ogo Sanyo Electric Co. 6
#22 Tetsuo Okuda Ckd 6
#25 Katsunori Takashima Fuji Seiko Co. 5
#25 Ryou Yamauchi Toyota Industries 5
#25 Yuto Naito Ngk Insulators 5
#25 Noriyasu Oguri Ngk Insulators 5
#25 Masatomo Watanabe Sintobrator 5
#30 Tatsuya Banno Fuji Shoji Co. 4
#30 Hiroshi Oguchi Fuji Seiko Co. 4
#30 Nobuhiro Kanazawa Fuji Shoji Co. 4
#30 Hideyuki Masaki Ngk Insulators 4
#30 Kazuhiko Shindome Mizuno 4
#30 Hiroaki Muratsuchi Fuji 4
#30 Yoshihiro Niwa onsemi 4
#30 Yasunori Ozeki Fuji Shoji Co. 4
#30 Masanao Gotou Toyo Tire & Rubber Co. 4
#39 Mamoru Mukuno Sanyo Electric Co. 3
#39 Hifuo Noiri Ngk Insulators 3
#39 Takahito Obata Pacific Industrial Co. 3
#39 Kohji Hattori Nippon Sheet Glass Company, Limited 3
#39 Niichi Hayashi 3
#39 Toshiaki Morisaki Fuji Seiko Co. 3
#39 Yuuki Tashita Sanyo Semiconductor Co. 3
#39 Masayuki Kanematsu onsemi 3
#39 Mikine Takeyama Ngk Insulators 3
#39 Takehiko Kawashima Kabushiki Kaisha Aichi 3
#39 Terumasa Ninomaru Ibiden Co. 3
#39 Yoshinobu Yamakita Sanyo Electric Co. 3