Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sodegaura, JP ranks #1,059 worldwide for total patents filed in 2016, with 120 patents from 60 inventors. Leading employers of inventors based in Sodegaura, JP include Rohm Co., Idemitsu Kosan Co., Fujitsu Limited.

Showing 1–50 of 60 inventors

Rank Inventor Primary Company Patents
1 Yuki Nakano Rohm Co. 16
2 Tomoki Kato Idemitsu Kosan Co. 6
3 Tatsuya Kikuzuki Fujitsu Limited 5
#4 Masaki Numata Idemitsu Kosan Co. 4
#4 Chishio Hosokawa Idemitsu Kosan Co. 4
#6 Akinori Yomogita Idemitsu Kosan Co. 3
#6 Keiko Yoshitake Nissan Chemical Industries 3
#6 Naohiko Suemura Nissan Chemical Industries 3
#6 Kengo Hirata Idemitsu Kosan Co. 3
#6 Toshiya Sato Ricoh Company 3
#6 Sayaka Mizutani Idemitsu Kosan Co. 3
#6 Kiyoshi Ikeda Idemitsu Kosan Co. 3
#13 Masatoshi Saito Idemitsu Kosan Co. 2
#13 Keiji Okinaka Canon 2
#13 Ryouichi Seki Mitsui Chemicals 2
#13 Tsuyoshi Ota Idemitsu Petrochemical Co. 2
#13 Futoshi Utsuno Idemitsu Kosan Co. 2
#13 Sumihiro Oda Idemitsu Kosan Co. 2
#13 Masakatsu Kimura Mitsuba 2
#13 Ryohei Hashimoto Idemitsu Kosan Co. 2
#13 Toshihiro Iwakuma Idemitsu Kosan Co. 2
#13 Satoshi Tamura Panasonic 2
#13 Emiko Kambe Idemitsu Kosan Co. 2
#13 Mitsuru Eida Idemitsu Kosan Co. 2
#13 Shigekazu Tomai Idemitsu Kosan Co. 2
#13 Koichi Suga Toyota 2
#13 Kazuyoshi Inoue Idemitsu Kosan Co. 2
#13 Koki Yano Idemitsu Kosan Co. 2
#29 Yoshikatsu Seino Idemitsu Kosan Co. 1
#29 Aki YAMADA Idemitsu Kosan Co. 1
#29 Motohiro Takeshima Fuji Electric Co. 1
#29 Kazuo Hirai Dow Corning Toray Silicone Company 1
#29 Masayuki Itose Idemitsu Kosan Co. 1
#29 Kenichi Fukukawa Mitsui Chemicals 1
#29 Yoshinari Koyama Nissan Chemical Industries 1
#29 Mai Kurihara Mitsui Chemicals 1
#29 Hitoshi Kuma Idemitsu Kosan Co. 1
#29 Seiichi Koshisaka Toho Chemical Industry Co. 1
#29 Yukitoshi Jinde Idemitsu Kosan Co. 1
#29 Satoru Murakami Jsr 1
#29 Toru Iwashita Prime Polymer Co. 1
#29 Yasuhiro Seta Nippon Soda Co. 1
#29 Takashi Arakane Idemitsu Kosan Co. 1
#29 Ryo Naraoka Idemitsu Kosan Co. 1
#29 Yoshitaka Arihara Kabushiki Kaisha Toshiba 1
#29 Takeshi Nakada Rohm Co. 1
#29 Kazutoshi Fujihara Mitsui Chemicals 1
#29 Hirokazu Kawashima Idemitsu Kosan Co. 1
#29 Natsumi Murakami Nissan Chemical Industries 1
#29 Yosuke Ono Mitsui Chemicals 1