Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Oyama, JP ranks #898 worldwide for total patents filed in 2021, with 163 patents from 70 inventors. Leading employers of inventors based in Oyama, JP include Canon, Toyota, Gigaphoton.

Showing 1–50 of 70 inventors

Rank Inventor Primary Company Patents
1 Daisuke Abe Canon 8
1 Norihiro Ose Toyota 8
3 Yuichiro Haruna Toyota 7
3 Osamu Wakabayashi Gigaphoton 7
3 Takahiko Fujiwara Toyota 7
3 Seiji Arakawa Toyota 7
#7 Keiichiro Aoki Toyota 6
#7 Naotoshi Kadotani Toyota 6
#7 Naoyoshi Takamatsu Toyota 6
#7 Kenji Igawa Toyota 6
#11 Masato Moriya Gigaphoton 4
#11 Shohei IWAO Mitsubishi Aluminum Co. 4
#11 Keisuke Ishida Gigaphoton 4
#14 Kazuhisa Matsuda Toyota 3
#14 Natsushi Suzuki Gigaphoton 3
#14 Takeshi Asayama Gigaphoton 3
#14 Ken Nakano Kyoto University 3
#14 Yoichi Ogura Toyota 3
#14 Katsuhiko Wakana Gigaphoton 3
#14 Tomoaki Uchiyama Furukawa Electric Co. 3
#14 Sui KURIHASHI Toyota 3
#14 Takashi Hirayama Keihin Thermal Technology 3
#23 Toshiyuki Maeda Panasonic 2
#23 Makoto Takano Toyota 2
#23 Hisakazu KATSUUMI Gigaphoton 2
#23 Mitsuhiro Tabata Toyota 2
#23 Takayuki Yabu Gigaphoton 2
#23 Kazumasa Mikami Fujitsu Limited 2
#23 Wataru Moriai Canon 2
#23 Yoshimasa Watanabe Toyota 2
#31 Hiroshi Furusato Gigaphoton 1
#31 Ryohta SASAKI Showa Denko Materials Co. 1
#31 Sachio Okada Toyota 1
#31 Tomoyoshi TOIDA Gigaphoton 1
#31 Daigoh Fujii Komatsu 1
#31 Motoki Niwano Gigaphoton 1
#31 Masateru Amano Toyota 1
#31 Hiroyuki Chikugo Komatsu 1
#31 Georg Saumagne Gigaphoton 1
#31 Yoshinobu WATABE Gigaphoton 1
#31 Natsuhiko KOUNO Gigaphoton 1
#31 Shigeki Ichimura Hitachi Chemical Company 1
#31 Kazunori Kumagai Fujitsu Limited 1
#31 Hidenori Watanabe Canon 1
#31 Kei Sawanaka Canon 1
#31 Tomoyuki Nakazato Kyowa Kirin Co. 1
#31 Yusuke Takasu Toyota 1
#31 Masashi Matsushita Rohm Co. 1
#31 Akira SUWA Gigaphoton 1
#31 Kazuki Nagai Seiko Epson 1