Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Nirasaki, JP ranks #778 worldwide for total patents filed all time, with 4,366 patents from 449 inventors. Leading employers of inventors based in Nirasaki, JP include Fujitsu Limited, Hitachi, Tokyo Electron Limited.

Showing 1–50 of 449 inventors

Rank Inventor Primary Company Patents
1 Tsuyoshi Takahashi Fujitsu Limited 158
2 Mikio Suzuki Hitachi 126
3 Tsuyoshi Moriya Tokyo Electron Limited 106
#4 Osamu Yokoyama Seiko Epson 100
#5 Kazuhide Hasebe Tokyo Electron Limited 97
#6 Makoto Wada Kabushiki Kaisha Toshiba 92
#7 Hiroshi Terada Olympus Optical Co. 70
#8 Hiroaki Kawasaki Sumitomo Rubber Industries 66
#9 Atsushi Endo Tokyo Electron Limited 65
#10 Satoshi Takagi Tokyo Electron Limited 64
#11 Takehiko Orii Tokyo Electron Limited 62
#12 Jun Mochizuki Canon 58
#13 Setsuya Iwashita Seiko Epson 57
#13 Akira Tanabe Renesas Electronics 57
#13 Mitsuaki Iwashita Tokyo Electron Limited 57
#16 Tatsuo Matsudo Tokyo Electron Limited 56
#17 Masahisa Watanabe Canon 46
#18 Takashi Sakuma Tokyo Electron Limited 45
#19 Tsutomu Hiroki Tokyo Electron Limited 42
#20 Akitaka Shimizu Tokyo Electron Limited 40
#20 Nobuo Matsuki Asm Japan K.K. 40
#22 Shuji Moriya Tokyo Electron Limited 39
#23 Hiroshi Shimoyama Honda Motor Co. 37
#24 Hiroyuki Miyashita Tokyo Electron Limited 36
#25 Takayuki Suga Canon 35
#26 Mitsuhiro Tachibana Tokyo Electron Limited 33
#27 Akinobu Kakimoto Tokyo Electron Limited 32
#28 Toshihiro Hayami Tokyo Electron Limited 30
#29 Yuki Osada Tokyo Electron Limited 29
#29 Kouji Mitsuhashi Tokyo Electron Limited 29
#29 Manabu Iwata Tokyo Electron Limited 29
#32 Ryuichi Asako Tokyo Electron Limited 28
#32 Pao-Hwa Chou Tokyo Electron Limited 28
#34 Hachishiro Iizuka Tokyo Electron Limited 27
#34 Seishi Murakami Tokyo Electron Limited 27
#36 Hiraku Ishikawa Nec 26
#36 Kohichi Satoh Tokyo Electron Limited 26
#38 Hidenori Miyoshi Tokyo Electron Limited 25
#38 Hiroshi Nagaike Tokyo Electron Limited 25
#38 Masato Araki Murata Manufacturing Co. 25
#41 Syuji NOZAWA Tokyo Electron Limited 24
#41 Hayashi Otsuki Tokyo Electron Limited 24
#41 Tetsuya Miyashita Tokyo Electron Limited 24
#41 Teruo Iwata Tokyo Electron Limited 24
#41 Shigekazu Komatsu Tokyo Electron Limited 24
#46 Hidenori Takagi Arkray 23
#46 Noboru Itomi Seiko Epson 23
#48 Hiroyuki Toshima Tokyo Electron Limited 22
#48 Kensaku Narushima Tokyo Electron Limited 22
#48 Makoto Fujikawa Sumitomo Electric Industries 22