KA

Keiji Azuma

CC Circuit Foil Japan Co.: 2 patents #1 of 4Top 25%
SC Sumitomo Bakelite Co.: 2 patents #1 of 25Top 4%
Overall (1994): #28,051 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5320919 Copper foil for inner layer circuit of multi-layered printed circuit board, method of producing the same and multi-layered printed circuit board having the same Kimikazu Katoh, Ryoichi Oguro, Takashi Inada 1994-06-14
5286330 Method of producing copper-clad laminated board Kimikazu Katoh, Ryoichi Oguro 1994-02-15