Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Tama, JP ranks #1,282 worldwide for total patents filed all time, with 2,623 patents from 402 inventors. Leading employers of inventors based in Tama, JP include Asm Ip Holding B.V., Canon, Victor Company Of Japan.

Showing 1–50 of 402 inventors

Rank Inventor Primary Company Patents
1 Atsuki Fukazawa Asm Ip Holding B.V. 79
2 Hiroyuki Shinbata Canon 73
3 Shinji Takagi Canon 59
#4 Kenji Oishi Victor Company Of Japan 49
#5 Ikki Tatsukami Fujitsu Limited 40
#6 Yukio Hosoya Nisshinbo Industries 39
#6 Fumiyuki Onoda Olympus 39
#6 Takahiro Hara Yamaha 39
#9 Tsunekazu Arai Canon 36
#10 Shuichi Yoshida Sumitomo Electric Industries 35
#11 Masashi Gabe Isuzu Motors Limited 33
#12 Kyota Miyazaki Canon 32
#12 Kazumasa Hara Janome Sewing Machine Co. 32
#12 Eiji Yamakawa Minolta Co. 32
#15 Koichi Niwa Fujitsu Limited 31
#16 Nobuo Yamaguchi Canon 30
#16 Naoyuki Kofuji Hitachi High-Technologies 30
#16 Kumiko Takikawa Hitachi 30
#19 Takayuki Miyazawa Kabushiki Kaisha Toshiba 29
#19 Toshiki Sugiyama Denso 29
#21 Fumio Nagase Teac 27
#22 Kuniharu Takayama Fujitsu Limited 26
#23 Takeshi Maruyama Sumitomo Chemical 25
#24 Shigemi Yamamoto Juki 23
#24 Yutaka Satoh Ricoh Company 23
#26 Teruyuki Sato Fujitsu Limited 22
#26 Yuichiro Akatsuka Olympus Optical Co. 22
#26 Keiichi Shidara Hitachi 22
#29 Nobuo Yamashita Olympus Optical Co. 21
#29 Kozo Toyama Mitsubishi Electric 21
#31 Mikihiro Kajiura Hitachi Automotive Systems 20
#31 Toshio Wakabayashi Terumo Kabushiki Kaisha 20
#31 Shinya Iida Hitachi 20
#31 Yoshihiro Hasegawa Kao 20
#35 Mamoru Maeda Fujitsu Limited 19
#35 Masaki Sasaki Taiyo Ink Mfg. Co. 19
#37 Kyoichi Mizuno Konica Minolta 18
#37 Kenji Yoshino Olympus Optical Co. 18
#37 Naoto Endo Mitsumi Electric Co. 18
#37 Takahiro Shimoyama Mitsumi Electric Co. 18
#37 Yoshinori Ota Mitsumi Electric Co. 18
#37 Morihiro Iwata Hitachi 18
#43 Toru Yoshihara Kao 17
#43 Tetsuji Kuroda Pentax 17
#43 Yoshiaki Iijima Taiyo Yuden Co. 17
#43 Tatsuro Sasamoto Fujitsu Limited 17
#43 Junko Suzuki Hitachi 17
#48 Masanobu Koike Kabushiki Kaisha Toshiba 16
#48 Yasushi Kasahara Fujirebio 16
#48 Saburo Inoue Nippon Steel & Sumitomo Metal 16