YH

Yasuo Hattori

OC Olympus Optical Co.: 1 patents #115 of 280Top 45%
📍 Hachijo, JP: #1 of 1 inventorsTop 100%
Overall (1989): #42,216 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D299336 Hand microphone for transcriber Akira Osanai, Toshikazu Kato 1989-01-10