Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sakata, JP ranks #8,547 worldwide for total patents filed in 2021, with 10 patents from 9 inventors. Leading employers of inventors based in Sakata, JP include Seiko Epson, onsemi.

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Toshiyuki ISHIGAKI Seiko Epson 2
2 Naoyuki Yomoda onsemi 1
2 Kazunobu Kuwazawa Seiko Epson 1
2 Takehiro Endo Seiko Epson 1
2 Yoshikazu Kasuya Seiko Epson 1
2 Mitsuo SEKISAWA Seiko Epson 1
2 Shigeyuki Sakuma Seiko Epson 1
2 Katsumi Mori Seiko Epson 1
2 Hisakatsu Sato Seiko Epson 1