MK

Masanori Kawasumi

Ricoh Company: 3 patents #302 of 1,683Top 20%
Overall (2011): #41,793 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8005406 Developer container, developer supplying device, and image forming apparatus Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Ryuta Takeichi, Yuji Arai +7 more 2011-08-23
8000627 Charging device, process cartridge, image forming apparatus, and toner Haruji Mizuishi, Tokuya Ojimi, Toshio Koike, Takeshi Shintani, Yuji Arai +7 more 2011-08-16
7925188 Development device, process cartridge, and image forming apparatus using the development device Tetsuya Senoh, Eisaku Murakami, Masahiko Satoh, Hideki Zemba, Takeshi Uchitani +2 more 2011-04-12