Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kurashiki, JP ranks #870 worldwide for total patents filed all time, with 3,820 patents from 838 inventors. Leading employers of inventors based in Kurashiki, JP include Kabushiki Kaisha Toshiba, Shin-Etsu Chemical Co., Kyowa Hakko Kogyo Co..

Showing 1–50 of 838 inventors

Rank Inventor Primary Company Patents
1 Masahiro Baba Kabushiki Kaisha Toshiba 100
2 Takeo Yoshida Shin-Etsu Chemical Co. 87
3 Satoshi Koizumi Kyowa Hakko Kogyo Co. 64
#4 Hideharu Iwasaki Kuraray Co. 53
#5 Masahiko Ota Nintendo Co. 37
#6 Junichi Yamauchi Kuraray Co. 36
#7 Masato Kumagai Unisia Jecs 34
#8 Yoshin Tamai Kuraray Co. 33
#9 Yoshiji Fujita Kuraray Co. 32
#10 Ikuo Omura Kuraray Co. 30
#10 Manzo Shiono Kuraray Co. 30
#12 Kiyoshi Hirakawa Kuraray Co. 29
#13 Noriaki Yoshimura Kuraray Co. 27
#13 Yusuke Amano Kuraray Co. 27
#13 Masao Kawamoto Kuraray Co. 27
#16 Hirofumi Kikuchi Fanuc 26
#16 Yukio Fukushima IBM 26
#16 Hideyuki Nikaido Kawasaki Steel 26
#16 Kazuhiko Matsuzaki Asahi Kasei Chemicals 26
#20 Hisaya Sakurai Asahi Kasei Kogyo Co. 25
#21 Takashi Onishi Kuraray Co. 24
#22 Minoru Onodera Kuraray Co. 23
#22 Hiroshi Mikami Sony 23
#22 Yuki Tachibana Denso 23
#22 Yasutaka Inubushi Kuraray Co. 23
#26 Ichiro Matsuzaki Kuraray Co. 22
#26 Tetsuya Katayama Denso 22
#28 Ryuichi Suehiro Jfe Steel 21
#28 Yasunori Ueda Panasonic 21
#28 Takeshi Kusudou Kuraray Co. 21
#31 Yasuo Masuda Tokyo Ohka Kogyo Co. 20
#32 Tadashi Hashimoto Keyence 19
#32 Tatsuya Oshita Kuraray Co. 19
#34 Tadashi Ikegami Asahi Kasei Kogyo Co. 18
#34 Tadahito Fukuhara Kuraray Co. 18
#34 Kenichi Sorimachi Kawasaki Steel 18
#37 Akimasa Aoyama Kuraray Co. 17
#37 Hidenori Hinago Asahi Kasei Chemicals 17
#37 Yosuke Kumaki Kuraray Co. 17
#37 Tohei Moritani Kuraray Co. 17
#37 Katsuya Fujisawa Kuraray Co. 17
#37 Masuhiko Tamura Kuraray Co. 17
#37 Yasuo Tokitoh Kuraray Co. 17
#37 Satoshi Hirofuji Kuraray Co. 17
#37 Goro Asanuma Kuraray Co. 17
#46 Yasuhiro Omori Fujitsu Limited 16
#46 Syuji Kawai Kuraray Co. 16
#48 Masao Uetsuki Kuraray Co. 15
#48 Chihiro Okamoto Kuraray Co. 15
#48 Kyoichiro Shibatani Kuraray Co. 15