Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Oyama, JP ranks #886 worldwide for total patents filed in 2022, with 155 patents from 76 inventors. Leading employers of inventors based in Oyama, JP include Gigaphoton, Toyota, Canon.

Showing 1–50 of 76 inventors

Rank Inventor Primary Company Patents
1 Osamu Wakabayashi Gigaphoton 10
2 Yuichiro Haruna Toyota 9
3 Norihiro Ose Toyota 7
#4 Seiji Arakawa Toyota 6
#5 Yutaka Shiraishi Gigaphoton 5
#5 Daisuke Abe Canon 5
#5 Takahiko Fujiwara Toyota 5
#5 Kenji Igawa Toyota 5
#9 Koichiro Koge Gigaphoton 4
#9 Takayuki OSANAI Gigaphoton 4
#9 Naotoshi Kadotani Toyota 4
#12 Naoyoshi Takamatsu Toyota 3
#12 Shuuji Hori Komatsu 3
#12 Keiichiro Aoki Toyota 3
#12 Hirokazu HOSODA Gigaphoton 3
#12 Masateru Amano Toyota 3
#17 Satoshi Ohwada HP 2
#17 Yuji MINEGISHI Gigaphoton 2
#17 Ryohta SASAKI Showa Denko Materials Co. 2
#17 Sui KURIHASHI Toyota 2
#17 Toshiyuki Maeda Panasonic 2
#17 Masataka Ohde 2
#17 Hironori IGARASHI Gigaphoton 2
#17 Yoshiyuki Honda Canon 2
#17 Takeshi Asayama Gigaphoton 2
#17 Kazuhisa Matsuda Toyota 2
#17 Hirotaka Miyamoto Sony 2
#17 Fumio Iwamoto Gigaphoton 2
#17 Hiroyuki Chikugo Komatsu 2
#17 Ken Nakano Kyoto University 2
#17 Takanari Kobayashi Gigaphoton 2
#17 Hiroshi Someya Gigaphoton 2
#33 Masaki Arakawa Gigaphoton 1
#33 Yoichi Ogura Toyota 1
#33 Noriyuki Kitada Terumo Kabushiki Kaisha 1
#33 Yusuke Takasu Toyota 1
#33 Kazuki Nagai Seiko Epson 1
#33 Atsushi Fuchimukai Pentax 1
#33 Hidenori Inada Showa Denko K.K. 1
#33 Masaki Shinohara Nec Lcd Technologies 1
#33 Minoru Inaba The Doshisha 1
#33 Tomoya Utashiro Showa Denko K.K. 1
#33 Seiji Nogiwa Ando Electric Co. 1
#33 Takahisa Saito Aska Pharmaceutical Co. 1
#33 Tatsuya Yamagishi 1
#33 Hidehisa Kato Toyota 1
#33 Shinobu Tamura Showa Denko K.K. 1
#33 Shouhei Nagasaka Komatsu 1
#33 Takashi Komatsu Idemitsu Petrochemical Co. 1
#33 Chen QU Gigaphoton 1