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USPTO Patent Rankings Data through Dec 31, 2025
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Sennan, JP All Time

385 patents  ·  78 inventors

Ranked #6,371 of 112,640 cities Top 6%

Sennan, JP ranks #6,371 worldwide for total patents filed all time, with 385 patents from 78 inventors. Leading employers of inventors based in Sennan, JP include Minolta, Asahi Glass Co., Shionogi & Co..

Showing 1–50 of 78 inventors

Rank Inventor Primary Company Patents
1 Masayoshi Sahara Minolta 48
2 Takanobu Omaki Minolta 40
3 Yutaka Furukawa Asahi Glass Co. 27
#4 Tsutomu Aoki Shionogi & Co. 15
#5 Genichi Funabashi Kubota 14
#5 Tomeo Umemoto Kubota 14
#7 Masayuki Nakasa Minolta 12
#7 Katsuro Tsukamoto Japan Matex Co. 12
#9 Tetsuaki Hayashi Kubota 11
#10 Hironori Fujii Kabushiki Kaisha Toshiba 10
#11 Masaaki Minamitani The Ohtsu Tire & Rubber Co. 8
#11 Yasuo Shimada Brother Kogyo 8
#13 Masaaki Miyabe Fuji Oil Holdings 7
#13 Toshiya Otani Niles Parts Co. 7
#13 Kozo Misumi Osaka Soda Co. 7
#16 Noboru Okuno Sumitomo Electric Industries 6
#16 Haruyasu Kida Fuji Oil Holdings 6
#18 Yoshiaki Sone Ajinomoto Co. 5
#18 Akira Kurooka Fuji Oil Holdings 5
#18 Tsugio Izumi Fuji Oil Holdings 5
#18 Norio Beppu Minolta 5
#22 Hidenobu Matsunami Fuji Oil Holdings 4
#22 Toshiharu Mukai Sumitomo Electric Industries 4
#22 Shoichi Makimoto Toyo Aluminium 4
#22 Yoshiyuki Hayakawa Fuji Oil Holdings 4
#22 Yoichi Tashiro Fuji Oil Holdings 4
#22 Masatoshi Kizaki Fuji Oil Holdings 4
#28 Hiroki Narimatsu Fuji Oil Holdings 3
#28 Yasushi Kawabata Fuji Oil Holdings 3
#28 Sugata Yoshihisa Seiko Epson 3
#28 Tetsuya Uchiyama Fuji Oil Holdings 3
#28 Yasunori Hashigaki Kubota 3
#28 Tatsuya Murahashi Hitachi Shipbuilding & Engineering Company Limited 3
#28 Kiyoyuki Higuchi Fuji Oil Holdings 3
#28 Hideki Komai Fuji Oil Holdings 3
#28 Nobuhiro Ohtsubo Fuji Oil Holdings 3
#28 Hideo Hirota Takeda Chemical Industries 3
#28 Hiroyuki Kisaka Kubota 3
#28 Yasuyuki Shintaku Chugai Ro Co. 3
#40 Takuma MORIKAWA Konica Minolta 2
#40 Yasuyuki Nukina Sumitomo Electric Industries 2
#40 Shinsuke Mita Sumitomo Metal Industries 2
#40 Kenshi Sakamoto Fuji Oil Holdings 2
#40 Hirokazu Okawa Bando Chemical Industries 2
#40 Yukiomi Yamato Fuji Oil Holdings 2
#40 Katsuhiko Takashima Japan U-Pica Company 2
#40 Tadahiko Asano Katayama Chemical Works Co., Ktd. 2
#40 Akiko Horimoto Fuji Oil Holdings 2
#40 Kazuhito Asahara Fuji Oil Holdings 2
#40 Yoshimoto Teraoka Hakko 2

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