MN

Masashi Nagayama

Ricoh Company: 4 patents #201 of 1,683Top 15%
Overall (2011): #24,477 of 364,097Top 7%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8086143 Image forming apparatus for use with carrier including a core and cover layer Tomio Kondou, Shinichiro Yagi, Hitoshi Iwatsuki 2011-12-27
8067141 Electrographic carrier, developer, developing method, image forming apparatus, and process cartridge Kimitoshi Yamaguchi, Naoki Imahashi 2011-11-29
8039189 Electrophotographic developer and carrier therefor, core material particle for carrier for electrophotographic developer and production method thereof and image forming method Kimitoshi Yamaguchi, Naoki Imahashi 2011-10-18
8026032 Carrier, supplemental developer, developer in image developer, developer feeding apparatus, image forming apparatus and process cartridge Hitoshi Iwatsuki, Tomio Kondou, Shinichiro Yagi 2011-09-27