HU

Hiroaki Umezawa

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Overall (All Time): #1,213,876 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9116479 Fixing control device, fixing control method, and image forming apparatus Shiho Shimosaka, Katsunori Kume, Koh Tokumaru, Osamu Kizaki, Noboru Sugiura +4 more 2015-08-25
8587843 Apparatus and a method for controlling a light source used for image reading Takashi Enami, Toyonori Shiho 2013-11-19
8363287 Image reading apparatus and image reading method 2013-01-29
8052144 Method, apparatus, and system for forming image Masaru Kaneko, Masami Miyajima, Hiroshi Aizawa, Kohtaroh Yonenaga, Kiichirou Shimizu +3 more 2011-11-08