KH

Keiji Hazama

HC Hitachi Chemical Company: 4 patents #392 of 1,946Top 25%
📍 Chikusei, JP: #55 of 185 inventorsTop 30%
Overall (All Time): #1,303,953 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4764235 Process and apparatus for sealing semiconductor packages Shin'ichi Ota, Mituo Yamada, Toshiyuki Arai 1988-08-16
4751611 Semiconductor package structure Toshiyuki Arai, Shin'ichi Ota 1988-06-14
4722441 Package structure for semiconductors Toshiyuki Arai, Shinichi Ota, Kiichi Kanamaru 1988-02-02
4305897 Packaging process for semiconductors Yo Maeda, Shinichi Ohta 1981-12-15