YS

Yohichi Sakai

Ricoh Company: 2 patents #462 of 1,683Top 30%
Overall (2011): #56,054 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8044642 Power supply device capable of stably supplying output voltage with increased responsiveness Shinichi Kojima 2011-10-25
8004263 Switching regulator Yasushi Hirata 2011-08-23