AS

Akiyoshi Sabu

Ricoh Company: 2 patents #462 of 1,683Top 30%
Overall (2011): #113,982 of 364,097Top 35%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8017292 Toner, as well as image forming apparatus and image forming method using the same Akihiro Kotsugai, Shinya Nakayama, Hiroshi Yamashita, Tsuyoshi Sugimoto, Hiroshi Yamada +1 more 2011-09-13
7960083 Image forming apparatus, image forming method, and process cartridge Shinya Nakayama, Akihiro Kotsugai 2011-06-14