Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Tamano, JP ranks #6,274 worldwide for total patents filed all time, with 392 patents from 123 inventors. Leading employers of inventors based in Tamano, JP include Samsung, Seiko Epson, Sony.

Showing 1–50 of 123 inventors

Rank Inventor Primary Company Patents
1 Kun-Nan Lo Samsung 34
2 Yoshiyuki Kodama Seiko Epson 17
3 Tetsuji Tamura Sony 16
#4 Masayasu Miyake Casio Computer Co. 14
#5 Shigeyuki Nakada Mitsui Engineering & Shipbuilding Co. 13
#6 Koji Kawanishi Fujitsu General Limited 12
#7 Yasuo Hongo Fuji Electric Co. 11
#8 Kazuyuki Arai Lg Philips Lcd Co. 9
#9 Yoichi Sugiyama Mitsubishi Electric 8
#10 Yasunari Mori Mitsui Engineering & Shipbuilding Co. 7
#10 Teruo Ichisaka Chlorine Engineers Corp. 7
#10 Kunihiro Mitsuhashi Sharp Kabushiki Kaisha 7
#10 Kazutoshi Murata Mitsui Engineering & Shipbuilding Co. 7
#14 Masachika Hashiuchi Mitsui Mining & Smelting Co. 6
#14 Youichi Sugiyama Mitsubishi Electric 6
#14 Kozo Fujiwara Tohoku University 6
#14 Kazuhiro Ozaki Mitsui Engineering & Shipbuilding Co. 6
#14 Kyouji Doi Mitsui Engineering & Shipbuilding Co. 6
#14 Nozomu Hattori Mitsui Engineering & Shipbuilding Co. 6
#14 Kazuki Takizawa Dai Nippon Printing Co. 6
#21 Keiji Kawanaka Mitsui Engineering & Shipbuilding Co. 5
#21 Naomasa Miyatake Mitsui Engineering & Shipbuilding Co. 5
#21 Seiichi Kitamura Mitsui Engineering & Shipbuilding Co. 5
#24 Kazushige Ohta Stanley Electric Co. 4
#24 Makoto Hamamoto Pan Pacific Copper Co. 4
#24 Takayoshi Yumii Mitsui Engineering & Shipbuilding Co. 4
#24 Takeshi Shirato Mitsui Engineering & Shipbuilding Co. 4
#24 Takeshi Miyazono Mitsui Mining & Smelting Co. 4
#24 Minoru Fujiwara Casio Computer Co. 4
#24 Tadao Ikegami Chlorine Engineers Corp. 4
#24 Hiroshi Imajo Denso 4
#24 Terumi Hashimoto Thyssenkrupp Uhde Chlorine Engineers (Japan) 4
#33 Shoichi Ibaragi Mitsui Engineering & Shipbuilding Co. 3
#33 Hirohumi Doi Dai-Ichi Electric Co. 3
#33 Masayuki Komeiji Konica 3
#33 Ikunobu Sumida Pan Pacific Copper Co. 3
#33 Toshikazu HAYASHIDA Permelec Electrode 3
#33 Masashi Yoda Mitsubishi Paper Mills Limited 3
#33 Tadashi Yamanishi Mitsui Mining & Smelting Co. 3
#33 Kiyomi Teshima Mitsui Engineering & Shipbuilding Co. 3
#33 Yukimasa Kajitani Mitsui Engineering & Shipbuilding Co. 3
#33 Mitsuji Ono Asahi Kasei Kogyo Co. 3
#33 Tadashi Bannou Hokko Chemical Industry Co. 3
#33 Tominori Yamada Mitsui Engineering & Shipbuilding Co. 3
#45 Kenta Nakakado Pan Pacific Copper Co. 2
#45 Yoshio Morigami Bayer Healthcare 2
#45 Seiju Uchida Mitsui Engineering & Shipbuilding Co. 2
#45 Kazuyoshi Fujita Mitsubishi Motors 2
#45 Yumi Asano Mitsui Engineering & Shipbuilding Co. 2
#45 Fujio Oka Mitsui Engineering & Shipbuilding Co. 2