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USPTO Patent Rankings Data through Dec 31, 2025
Home › Cities › Kasai, JP

Kasai, JP All Time

37,067 patents  ·  5,842 inventors

Ranked #67 of 112,640 cities Top 1%

Kasai, JP ranks #67 worldwide for total patents filed all time, with 37,067 patents from 5,842 inventors. Leading employers of inventors based in Kasai, JP include Unisantis Electronics Singapore Pte., Mitsubishi Electric, Canon.

Showing 1–50 of 5,842 inventors

Rank Inventor Primary Company Patents
1 Hiroki Nakamura Unisantis Electronics Singapore Pte. 336
2 Tsukasa Ooishi Mitsubishi Electric 294
3 Tsutomu Abe Canon 166
#4 Akira Sakamoto — 150
#5 Satoshi Yoshikawa Panasonic 142
#6 Takeshi Nakayama Panasonic 141
#7 Mitsuru Kobayashi Fujitsu Component Limited 140
#8 Satoru Kukino Sumitomo Electric Hardmetal 133
#9 Yasuhiro Yamada Sony 126
#10 Yoshiki Sato Toyo Tire & Rubber Co. 125
#11 Koji Ueda Kobelco Construction Machinery Co. 120
#11 Shintaro Hayashi Bridgestone 120
#13 Kazuhiko Takahashi Hitachi 119
#14 Takashi Ipposhi Mitsubishi Electric 113
#15 Shigeru Sakamoto Nippon Shokubai Co. 110
#16 Akio Konishi Sumitomo Electric Industries 107
#17 Atsushi Miyazaki Hitachi 105
#18 Kunihiko Ishizaki Nippon Shokubai Co. 104
#19 Isao Kidoguchi Sumitomo Electric Industries 103
#20 Tatsuya Fujii Ricoh Company 102
#20 Seiji Nishiwaki Panasonic 102
#22 Hiroyuki Endo Kureha Kagaku Kogyo K.K. 96
#23 Atsushi Kawamura Hitachi 84
#24 Shoichi Toya Panasonic 83
#25 Osamu Morita Canon 80
#26 Osamu Shibata Panasonic 78
#27 Ryo Fujita Hitachi 77
#28 Kaoru Yokota Panasonic 76
#28 Masaya Sumita Panasonic 76
#30 Tadaaki Yamauchi Mitsubishi Electric 75
#31 Keiichi Takahashi Toyota 74
#31 Ryoichi Wakimoto Sanyo Electric Co. 74
#33 Kazuhiko Sakamoto Nippon Shokubai Co. 73
#34 Seiji Saito Canon 72
#35 Kozo Yamazaki Fujitsu Limited 71
#36 Ryutaro Oke Panasonic 70
#36 Natsuo Ajika Mitsubishi Electric 70
#38 Hirohiko Nakata Sumitomo Electric Industries 68
#39 Masaya Nakatani Panasonic 67
#39 Takeshi Norimatsu Panasonic 67
#39 Toshio Tetsuka Shimano 67
#39 Shogo Okita Panasonic 67
#39 Masayuki Sakamoto Sumitomo Rubber Industries 67
#44 Masahiro Hikita Panasonic 66
#44 Toru Okada Fujitsu Limited 66
#46 Makoto Mizukami Kabushiki Kaisha Toshiba 65
#47 Kazutaka Adachi Nissan Motor Co. 63
#47 Yoshihiro Mikuriya Ricoh Company 63
#47 Toshiaki Kanemitsu Kanemitsu 63
#50 Yuji Kawasaki Semiconductor Energy Laboratory 62

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