YH

Yoshihiko Hirama

AC Alps Electric Co.: 1 patents #91 of 256Top 40%
📍 Rifu, JP: #75 of 201 inventorsTop 40%
Overall (2004): #83,271 of 270,089Top 35%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6706221 Plastic optical fiber end face treatment method Kimihiro Kikuchi, Takehiko Tomizawa, Kengo Yamada 2004-03-16