Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sodegaura, JP ranks #823 worldwide for total patents filed in 2018, with 160 patents from 64 inventors. Leading employers of inventors based in Sodegaura, JP include Rohm Co., Idemitsu Kosan Co., Toyota.

Showing 1–50 of 64 inventors

Rank Inventor Primary Company Patents
1 Yuki Nakano Rohm Co. 14
2 Tomoki Kato Idemitsu Kosan Co. 11
3 Kiyoshi Ikeda Idemitsu Kosan Co. 7
3 Koichi Suga Toyota 7
#5 Tasuku HAKETA Idemitsu Kosan Co. 6
#5 Toshihiro Iwakuma Idemitsu Kosan Co. 6
#7 Chishio Hosokawa Idemitsu Kosan Co. 5
#7 Tomoharu HAYAMA Idemitsu Kosan Co. 5
#7 Tatsuya Kikuzuki Fujitsu Limited 5
#10 Sayaka Mizutani Idemitsu Kosan Co. 4
#10 Ryohei Hashimoto Idemitsu Kosan Co. 4
#12 Emiko Kambe Idemitsu Kosan Co. 3
#12 Satoshi Tamura Panasonic 3
#12 Shiori Hanada Mitsui Chemicals 3
#12 Yoshiyuki Suetsugu Sumitomo Electric Industries 3
#12 Akinori Yomogita Idemitsu Kosan Co. 3
#12 Takayoshi Kambara Idemitsu Kosan Co. 3
#12 Masaki Numata Idemitsu Kosan Co. 3
#19 Eiji Takita Idemitsu Kosan Co. 2
#19 Taro Ichikawa Mitsui Chemicals 2
#19 Hisaya Nakamura Seiko Instruments 2
#19 Keitaro YAMADA Sharp Kabushiki Kaisha 2
#19 Hideto Ogasawara Mitsui Chemicals 2
#19 Kazuoki Nakai Mitsui Chemicals 2
#19 Tatsuhiro Urakami Mitsui Chemicals 2
#19 Hiroki Yoda Seiko Instruments 2
#19 Mitsuru Eida Idemitsu Kosan Co. 2
#19 Yosuke Ono Mitsui Chemicals 2
#19 Motoyasu Yasui Mitsui Chemicals 2
#19 Masaki Okazaki Fujitsu Limited 2
#19 Mineyuki Kubota Idemitsu Kosan Co. 2
#19 Akihiro Sengoku Nippon Steel 2
#19 Takeshi Matsui Idemitsu Kosan Co. 2
#19 Kenji Iida 2
#19 Kenichi Fukukawa Mitsui Chemicals 2
#19 Tadanori Junke Idemitsu Kosan Co. 2
#19 Kazutoshi Sawada Idemitsu Kosan Co. 2
#38 Yuko KOGA Koei Chemical Company, Limited 1
#38 Hitoshi Kuma Idemitsu Kosan Co. 1
#38 Yu KUDO Idemitsu Kosan Co. 1
#38 Kou Tsurugi Mitsui Chemicals 1
#38 Naohiko Suemura Nissan Chemical Industries 1
#38 Syuko Sakugawa Koei Chemical Company, Limited 1
#38 Masashi Abe Olympus Optical Co. 1
#38 Junpei Tanaka Mitsui Chemicals 1
#38 Masayuki Nishida Subaru 1
#38 Yoshikatsu Seino Idemitsu Kosan Co. 1
#38 Naoya Masuda Fujikin Incorporated 1
#38 Chikako Kouda Mitsui Chemicals 1
#38 Hiromichi Koshika Idemitsu Kosan Co. 1