YH

Yuji Hanada

PE Pentax: 1 patents #91 of 191Top 50%
Overall (2002): #84,217 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6429623 Power-supply unit incorporating an electric double layer capacitor, and a method of charging the electric double layer capacitor 2002-08-06