Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yamato, JP ranks #467 worldwide for total patents filed all time, with 6,941 patents from 1,051 inventors. Leading employers of inventors based in Yamato, JP include Kabushiki Kaisha Toshiba, Canon, Sumitomo Electric Industries.

Showing 1–50 of 1,051 inventors

Rank Inventor Primary Company Patents
1 Satoshi Saito Kabushiki Kaisha Toshiba 180
2 Akira Okita Canon 115
3 Eiji Ohno Sumitomo Electric Industries 103
#4 Makoto Tsuji Honda Motor Co. 84
#5 Satoshi Mikoshiba Kabushiki Kaisha Toshiba 83
#6 Shigeru Shirai Canon 78
#7 Takaaki Tateishi IBM 75
#8 Nobuhiro Ito Canon 71
#9 Maki Sato Sony 68
#10 Manabu Shiraki Shicoh Engineering Co. 67
#11 Nobuatsu Sasanuma Canon 66
#12 Norie Iwasaki IBM 65
#13 Susumu Sugiura Canon 61
#14 Shirou Ozaki Fujitsu Limited 58
#15 Daisuke Maruyama IBM 56
#16 Yoshifumi Hattori Canon 55
#17 Hiroshi Nakao Fujitsu Limited 54
#18 Satoru Maeda Sony 51
#19 Takashi Ashida IBM 50
#20 Toru Tojo Kabushiki Kaisha Toshiba 47
#21 Yoshinori Tahara IBM 46
#21 Hirokazu Ikeda Hitachi 46
#23 Takehiko Nakai Canon 44
#24 Kiichi Yamashita Hitachi 43
#25 Tetsuo Ikegame Olympus Optical Co. 42
#25 Akio Ogawa Tdk 42
#27 Tetsuo Hino Canon 39
#28 Yoshinori Tangi Mitsumi Electric Co. 33
#28 Takehiko Sumi Kyoraku Co. 33
#28 Hiroshi Nakagomi Canon 33
#31 Katsuyoshi Katori IBM 32
#32 Shinsuke Kunishi Molex 31
#33 Tetsuo Koezuka Fujitsu Limited 30
#33 Tatsuki Wade Nidec Sankyo 30
#33 Taku Amada Ricoh Company 30
#33 Tadatoshi Tanji Kyoraku Co. 30
#37 Hisashi Miyamoto Otsuka Pharmaceutical Co. 29
#37 Toshiya Yonehara Kabushiki Kaisha Toshiba 29
#37 Harushige Yamamoto Canon 29
#37 Keizo Aoyama Fujitsu Limited 29
#41 Hayato Uenohara IBM 28
#41 Toshihisa Hirata Molex 28
#41 Masaharu Itoh Lenovo (Singapore) Pte. 28
#41 Michio Sono Fujitsu Limited 28
#45 Fumio Kawaguchi Hitachi 27
#45 Seiji Ono Hitachi 27
#45 Tatsunori INOUE Semiconductor Energy Laboratory 27
#48 Tsugito Maruyama Fujitsu Limited 26
#48 Reiko Kondo Fujitsu Limited 26
#48 Hiroaki Komine Fujitsu Limited 26