YA

Yasushi Akiba

Ricoh Company: 3 patents #302 of 1,683Top 20%
Overall (2011): #32,125 of 364,097Top 9%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7995947 Image forming apparatus, and charging device and process cartridge used in the image forming apparatus Kaoru Yoshino, Takaya Muraishi, Akio Kosuge, Takeshi Shintani, Satoshi Hatori 2011-08-09
7899383 Lubricating device, lubricant applicator, and priming agent used therewith Takeshi Shintani, Takaya Muraishi, Satoshi Hatori, Akio Kosuge, Kaoru Yoshino 2011-03-01
7873291 Image forming apparatus and process cartridge including charging bias adjustment control Akio Kosuge, Takaya Muraishi, Takeshi Shintani, Satoshi Hatori, Kaoru Yoshino 2011-01-18