YK

Yoshinori Kawaai

HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
📍 Ibaraki, JP: #3,280 of 6,779 inventorsTop 50%
Overall (All Time): #2,130,927 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7477869 Electrophotographic printing apparatus and printing system Sadanori Kobashi, Kazutoshi Obara, Kiyoshi Suzuki 2009-01-13
6139012 Image forming unit system Nobuyuki Furuya, Yoshihiko Sano, Sadanori Kobashi 2000-10-31