YH

Yasuaki Hamada

SE Seiko Epson: 3 patents #74 of 926Top 8%
Overall (2025): #42,362 of 469,880Top 10%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12433167 Piezoelectric element, droplet dispensing head, actuator, and vibrator Kazuya Kitada, Koji Ohashi, Yoshiki YANO 2025-09-30
12311664 Piezoelectric element, head chip, liquid ejection device, and sensor Yoshiki YANO, Kazuya Kitada, Koji Ohashi 2025-05-27
12310242 Piezoelectric element and liquid ejection head Tomohiro Sakai, Toshihiro Shimizu, Masao Nakayama 2025-05-20