Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sodegaura, JP ranks #981 worldwide for total patents filed in 2022, with 140 patents from 66 inventors. Leading employers of inventors based in Sodegaura, JP include Rohm Co., Idemitsu Kosan Co., Panasonic.

Showing 1–50 of 66 inventors

Rank Inventor Primary Company Patents
1 Yuki Nakano Rohm Co. 16
2 Masatoshi Shibata Idemitsu Kosan Co. 8
2 Tomoki Kato Idemitsu Kosan Co. 8
#4 Futoshi Utsuno Idemitsu Kosan Co. 6
#4 Masatoshi Saito Idemitsu Kosan Co. 6
#4 Kota Terai Idemitsu Kosan Co. 6
#4 Kazuyoshi Inoue Idemitsu Kosan Co. 6
#8 Shigekazu Tomai Idemitsu Kosan Co. 4
#9 Tasuku HAKETA Idemitsu Kosan Co. 3
#9 Taro YAMAKI Idemitsu Kosan Co. 3
#9 Satomi TASAKI Idemitsu Kosan Co. 3
#9 Hidetsugu Ikeda Idemitsu Kosan Co. 3
#9 Satoshi Tamura Panasonic 3
#9 Masaru Nakagawa Idemitsu Kosan Co. 3
#15 Hironari KIMPARA Idemitsu Kosan Co. 2
#15 Hiroaki Koshima Idemitsu Kosan Co. 2
#15 Toshiaki Tsuno Samsung 2
#15 Sayaka Mizutani Idemitsu Kosan Co. 2
#15 Masaki Numata Idemitsu Kosan Co. 2
#15 Kiyoshi Ikeda Idemitsu Kosan Co. 2
#15 Nozomi TAJIMA Idemitsu Kosan Co. 2
#15 Akihiro Sengoku Nippon Steel 2
#15 Tsuyoshi Ota Idemitsu Petrochemical Co. 2
#15 Yu KUDO Idemitsu Kosan Co. 2
#25 Yoshinari Shoyama Nihon Medi-Physics Co. 1
#25 Mami Nishimura Idemitsu Kosan Co. 1
#25 Kyo Nagashima Idemitsu Kosan Co. 1
#25 Atsushi Yao Idemitsu Kosan Co. 1
#25 Masashi OYAMA Idemitsu Kosan Co. 1
#25 Mai Kurihara Mitsui Chemicals 1
#25 Kengo Hirata Idemitsu Kosan Co. 1
#25 Shota SAWANO Idemitsu Kosan Co. 1
#25 Nobuhiro Maruko Mitsui Chemicals 1
#25 Norihiro Kuroda Idemitsu Kosan Co. 1
#25 Hirokazu Kawashima Idemitsu Kosan Co. 1
#25 Ichinosuke HIRANO Prime Polymer Co. 1
#25 Toshikazu Yoneda Research Association For The Utilization Of Light Oil 1
#25 Shintaro BAN Idemitsu Kosan Co. 1
#25 Keita SEDA Idemitsu Kosan Co. 1
#25 Keiji Okinaka Canon 1
#25 Yoshifumi Maya Nihon Medi-Physics Co. 1
#25 Hiroaki Sakaida 1
#25 Yosuke Ono Mitsui Chemicals 1
#25 Yuko Maruyama Mitsui Chemicals 1
#25 Norihito Nakata Nihon Medi-Physics Co. 1
#25 Takeshi Tominaga Sumitomo Chemical 1
#25 Kazutoshi Sekiguchi Nissan Chemical Industries 1
#25 Takashi Umeki Idemitsu Kosan Co. 1
#25 Hiroyuki Iwabuchi Idemitsu Kosan Co. 1
#25 Seika Ooiwa Idemitsu Kosan Co. 1