HK

Hiromasa Kawai

HC Hitachi Chemical Company: 1 patents #27 of 99Top 30%
📍 Ichihara, MI: #1 of 2 inventorsTop 50%
Overall (1997): #141,878 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5663264 Transparent resin and plastic lens Toshiyasu Kawai, Minoru Suzuki, Fumiaki Kanega 1997-09-02