MI

Masahiko Ishikawa

Ricoh Company: 3 patents #261 of 1,810Top 15%
Overall (2017): #68,400 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9785065 Toner, and method for manufacturing toner Ryota Inoue, Yoshihiro Moriya, Satoshi Takahashi, Tatsuki Yamaguchi, Satoshi Kojima 2017-10-10
9618862 Toner and developer Yoshihiro Moriya, Ryota Inoue, Satoshi Takahashi, Tatsuki Yamaguchi 2017-04-11
9618863 Toner, developer and method of manufacturing toner Satoshi Takahashi, Yoshihiro Moriya, Satoshi Kojima, Tatsuki Yamaguchi 2017-04-11