HK

Hayato Kamada

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,321,967 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4939547 Multicolor electrophotography apparatus Noboru Miyaji, Hiroshi Terada, Hidenori Kunishige 1990-07-03
4903634 Developing device Taizo Ono, Yoshihiro Katayama, Hidenori Kunishige 1990-02-27