MK

Masahiro Kameda

Ricoh Company: 1 patents #129 of 489Top 30%
📍 Ibaraki, JP: #35 of 447 inventorsTop 8%
Overall (1989): #20,836 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4890151 Thin-film and its forming method Yojiro KAMEI, Kenichi Kurihara 1989-12-26
4814840 High-density reprogrammable semiconductor memory device 1989-03-21