Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Sugatsune Kogyo Co. › Kazuyuki Ishigaya
Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
KI

Kazuyuki Ishigaya

SCSugatsune Kogyo Co.: 1 patents #1 of 2Top 50%
Overall (2025): #324,596 of 469,880Top 70%
1 Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12209450 One-way damping hinge Hiroaki Kawawa 2025-01-28

Nearby-Ranked Inventors

Kazushi Ishii1
Katsunori Ishii1
Kazuto Ishii1
Kazunori Ishihara1
Katsumichi Ishihara1
Katsuya ISHIGAMI1
Kazuma ISHIGAKI1
Kaori ISHIDA1
Kazuhiro Ishida1