Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sodegaura, JP ranks #785 worldwide for total patents filed in 2017, with 172 patents from 83 inventors. Leading employers of inventors based in Sodegaura, JP include Rohm Co., Idemitsu Kosan Co., Toyota.

Showing 1–50 of 83 inventors

Rank Inventor Primary Company Patents
1 Yuki Nakano Rohm Co. 20
2 Tomoki Kato Idemitsu Kosan Co. 7
2 Chishio Hosokawa Idemitsu Kosan Co. 7
#4 Toshihiro Iwakuma Idemitsu Kosan Co. 6
#4 Koichi Suga Toyota 6
#6 Masaki Numata Idemitsu Kosan Co. 5
#6 Kiyoshi Ikeda Idemitsu Kosan Co. 5
#8 Takayoshi Kambara Idemitsu Kosan Co. 4
#8 Tadanori Junke Idemitsu Kosan Co. 4
#8 Tsuyoshi Ota Idemitsu Petrochemical Co. 4
#11 Kenichi Fukukawa Mitsui Chemicals 3
#11 Shigekazu Tomai Idemitsu Kosan Co. 3
#11 Sayaka Mizutani Idemitsu Kosan Co. 3
#11 Yoshikatsu Seino Idemitsu Kosan Co. 3
#11 Masaru Nakagawa Idemitsu Kosan Co. 3
#11 Masaki Okazaki Fujitsu Limited 3
#11 Ryo Aburatani Idemitsu Kosan Co. 3
#11 Yosuke Ono Mitsui Chemicals 3
#19 Yoko Ogahara Idemitsu Kosan Co. 2
#19 Masatoshi Shibata Idemitsu Kosan Co. 2
#19 Hiroaki Koshima Idemitsu Kosan Co. 2
#19 Toshihiko Ichihashi Idemitsu Kosan Co. 2
#19 Mitsuru Eida Idemitsu Kosan Co. 2
#19 Ryohei Hashimoto Idemitsu Kosan Co. 2
#19 Satoshi Tamura Panasonic 2
#19 Hidetsugu Ikeda Idemitsu Kosan Co. 2
#19 Koki Yano Idemitsu Kosan Co. 2
#19 Shinya Takasaki Nihon Medi-Physics Co. 2
#19 Hiromi Hayasaka Idemitsu Kosan Co. 2
#19 Emi KAWASHIMA Idemitsu Kosan Co. 2
#19 Tatsuya Kikuzuki Fujitsu Limited 2
#19 Natsumi Murakami Nissan Chemical Industries 2
#19 Yukitoshi Jinde Idemitsu Kosan Co. 2
#34 Takuma Kimura Kao 1
#34 Takeshi Nakada Rohm Co. 1
#34 Keiji Okinaka Canon 1
#34 Takashi Arakane Idemitsu Kosan Co. 1
#34 Taro Ichikawa Mitsui Chemicals 1
#34 Motohisa Ido Idemitsu Kosan Co. 1
#34 Megumi Shimada Nissan Chemical Industries 1
#34 Ryo Naraoka Idemitsu Kosan Co. 1
#34 Ai Miyamoto Nissan Chemical Industries 1
#34 Hisaya Nakamura Seiko Instruments 1
#34 Goro Inoue Mitsui Chemicals 1
#34 Tomohisa Okada Anritsu 1
#34 Yoshitaka Tamoto Idemitsu Kosan Co. 1
#34 Toshiya Sato Ricoh Company 1
#34 Masami Kanamaru Idemitsu Kosan Co. 1
#34 Shiori Hanada Mitsui Chemicals 1
#34 Hiromichi Koshika Idemitsu Kosan Co. 1