KO

Keiji Oya

AK Asahi Denka Kogyo: 1 patents #1 of 19Top 6%
Overall (1997): #119,290 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5607894 Heat-sensitive recording material Mitsuo Akutsu, Nobuhide Tominaga, Athuo Tomita, Kouichi Shigeno 1997-03-04