KK

Kiyohisa Koyama

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Overall (All Time): #1,592,755 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7035554 Image forming device and remote monitoring system for the same Masaichi Sawada 2006-04-25
6947675 Remote maintenance and diagnosis of office or domestic appliances Akira Takehisa, Keiichi Suzuki, Youichi Onodera 2005-09-20
6876819 Image forming device and remote monitoring system for the same Masaichi Sawada 2005-04-05