Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yashio, JP ranks #11,951 worldwide for total patents filed all time, with 153 patents from 44 inventors. Leading employers of inventors based in Yashio, JP include Kabushiki Kaisha Naka Gijutsu Kenkyusho, Dai Nippon Printing Co., Hitachi.

Showing 1–44 of 44 inventors

Rank Inventor Primary Company Patents
1 Hiromitsu Naka Kabushiki Kaisha Naka Gijutsu Kenkyusho 20
2 Shigeki Chujo Dai Nippon Printing Co. 14
3 Masayuki Fujio Hitachi 13
#4 Tatsuo Shoji Unknown 12
#5 Taiji Watanabe Canon 11
#5 Norikazu Hishinuma Canon 11
#7 Yoshitaka Murayama Konami 9
#7 Hiroki Takayama Canon 9
#9 Takehiko Okushima Kabushiki Kaisha Naka Gijutsu Kenkyusho 5
#10 Norigi Kurihara Aubex 3
#10 Yoshihisa Nagata Hirata 3
#12 Noritaka Nakashima Canon 2
#12 Toshiaki Harunari Isuzu Motors Limited 2
#12 Kiyoshi Hishinuma Pentel Kabushiki Kaisha 2
#12 Hiroyuki Shibasaki Honda Motor Co. 2
#12 Tetsuichi Ishii Ricoh Company 2
#12 Shota Odajima Seiko Epson 2
#12 Tsuneaki Moutai The Fujikura Cable Works Limited 2
#12 Daisaburo Azuma Pentel Kabushiki Kaisha 2
#12 Tsuyoshi Ishihara Hitachi Cable 2
#12 Shusaku Shibasaki Otis Elevator 2
#22 Toru Suzuki Nippon Sanso 1
#22 Toshifumi Ando Nippon Sanso 1
#22 Hiromichi Wada Dainichiseika Color & Chemicals Mfg. Co. 1
#22 Takaya Toyoda Smc 1
#22 Shigehisa Midorikawa 1
#22 Ryoji Sugamiya Tsukishima Kikai Co. 1
#22 Yaoji Hosaka 1
#22 Kunio Somei Dainippon Ink And Chemicals 1
#22 Matsuzaki Toshimichi 1
#22 Hiroyuki Mayuzumi Kabushiki Kaisha Toshiba 1
#22 Ryota Takei Mitsubishi Materials 1
#22 Kazuma Hirai Mikasa Sangyo Co. 1
#22 Taizo Shoji 1
#22 Seizo Rai Mecta 1
#22 Takeshi Kadoki 1
#22 Kenju Iwase 1
#22 Kazuyuki Shimuzu Glory 1
#22 Hirobumi Nobeshima Unknown 1
#22 Satoshi Metoki Unknown 1
#22 Yosuke USUI Nintendo Co. 1
#22 Misuo Yanagisawa Pearl Musical Instrument 1
#22 Kazuhiko Takeoka 1
#22 Katuo Akimoto Nitto Kogyo 1