Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Urayasu, JP ranks #2,733 worldwide for total patents filed in 2021, with 46 patents from 18 inventors. Leading employers of inventors based in Urayasu, JP include Canon, IBM, Konica Minolta.

Showing 1–18 of 18 inventors

Rank Inventor Primary Company Patents
1 Hisashi Ishikawa Canon 13
2 Hiroki Yoshinaga IBM 6
3 Yoshihiro Takeda Konica Minolta 4
#4 Hideaki Yamagata Ricoh Company 3
#4 Taro Sekiyama IBM 3
#4 Yasuhisa Kayaba Mitsui Chemicals 3
#7 Kouya Kojima Mitsui Chemicals 2
#7 Masayuki Iwanaga IBM 2
#9 Teruyuki Tokunaga Aderans Company Limited 1
#9 Yuta MORI Mitsubishi Electric 1
#9 Yuichi Togashi Kabushiki Kaisha Toshiba 1
#9 Mitsuki TOCHI Tokuyama 1
#9 Sen Hirayama Casio Computer Co. 1
#9 Masahiko Fukushima Konica Minolta 1
#9 Yusuke SHIRATORI Aisin Seiki Kabushiki Kaisha 1
#9 Satoshi Mizuma Toyota 1
#9 Yuki Asakura IBM 1
#9 Kokichi Sugano Hitachi High-Technologies 1