Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sayama, JP ranks #3,384 worldwide for total patents filed in 2021, with 35 patents from 27 inventors. Leading employers of inventors based in Sayama, JP include Showa Denko K.K., Saginomiya Seisakusho, Fujikoki.

Showing 1–27 of 27 inventors

Rank Inventor Primary Company Patents
1 Takenori Hashimoto Showa Denko K.K. 3
1 Kazuya Takimoto Saginomiya Seisakusho 3
3 Satoshi Uehara Fujikoki 2
3 Seiichi Nakano Saginomiya Seisakusho 2
3 Fumitomo Takano Honda Motor Co. 2
3 Kohei Sasaki Tamura 2
#7 Takuya SEKI Tokuyama 1
#7 Yoshimitsu Ogawa Honda Motor Co. 1
#7 Atsuhito Yoshizawa Canon 1
#7 Toru Hagihara Enplas 1
#7 Kenji DAIGO Ricoh Company 1
#7 Kazuyuki Fukamachi Honda Motor Co. 1
#7 Yuichi Tazaki Nissan Motor Co. 1
#7 Quang Tu Thieu Novel Crystal Technology 1
#7 Keiichiro Maekawa Honda Motor Co. 1
#7 Toshiaki Nagasawa Honda Motor Co. 1
#7 Shinichi Yataka Honda Motor Co. 1
#7 Shinzo Urushidani Honda Motor Co. 1
#7 Satoru Iriyama Honda Motor Co. 1
#7 Toshinori Yanagihara Iwaki Co. 1
#7 Yoshinobu Kawasaki Honda Motor Co. 1
#7 Yuki Koishikawa Novel Crystal Technology 1
#7 Hirotaka Kamioka Yachiyo Industry Co. 1
#7 Shuichi Yamane Honda Motor Co. 1
#7 Nobuki Matsuo Honda Motor Co. 1
#7 Hiroyuki Mitsuya Saginomiya Seisakusho 1
#7 Kazuhito Hiraga Honda Motor Co. 1