Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Tamamura, JP ranks #9,944 worldwide for total patents filed all time, with 202 patents from 38 inventors. Leading employers of inventors based in Tamamura, JP include Harison Toshiba Lighting, Sanyo Electric Co., Sanden.

Showing 1–38 of 38 inventors

Rank Inventor Primary Company Patents
1 Akio Watanabe Harison Toshiba Lighting 48
2 Ryoichi Kawasaki Sanyo Electric Co. 40
3 Akiyoshi Higashiyama Sanden 16
#4 Kozo Uesawa Hitachi Ulsi Systems Co. 11
#5 Kazuyuki Kamegaki Hitachi 8
#5 Yoshiyuki Wasada Taiyo Yuden Co. 8
#7 Kyousuke Tajima Hosiden Electronics Co. 7
#8 Toshihito Habuka Renesas Electronics 6
#9 Tadashi Koriki Mitsubishi Pencil Company, Limited 4
#9 Masahiro Ichiki Hitachi 4
#11 Hideo Odashima Mitsubishi Pencil Company, Limited 3
#11 Kiichi Miyazaki Unknown 3
#11 Yasunari Nakajima Sanden 3
#11 Hiroaki Nishiyama Nippon Kayaku 3
#11 Tomonari Morita Sanden 3
#16 Mamoru Takaku Renesas Technology 2
#16 Akiyoshi Kosano Sanden 2
#16 Jun Asaga Kabushiki Kaisha Toshiba 2
#16 Hiroyasu Omiyama Denso 2
#16 Shinya Onai Sanyo Electric Co. 2
#16 Isao Hoashi Sanden 2
#16 Kiyofumi Nakayama Mitsuba 2
#16 Takayuki Ishizeki Mitsuba 2
#16 Kazuo Hoya Hitachi 2
#16 Aoki Hisao Sanden 2
#16 Kazuo Hatori Fujitsu Limited 2
#16 Takeharu Nakazawa Sanden 2
#28 Yoshihisa Ichikawa Victor Company Of Japan 1
#28 Gosuke Oshima Taiyo Yuden Co. 1
#28 Takashima Yoshiro 1
#28 Satoru Kanuma Hosiden Electronics Co. 1
#28 Naoyoshi Yamago Hitachi 1
#28 Nakazawa Takeharu Sanden 1
#28 Kimihisa Ishikawa Sanden 1
#28 Atsushi Umejima Nippon Kayaku 1
#28 Kazubiko Takai Sanden 1
#28 Tsunetoshi Kawabata Hitachi 1
#28 Isao Araki Hitachi 1