MI

Masahiko Ishikawa

Ricoh Company: 3 patents #215 of 1,821Top 15%
Overall (2018): #65,788 of 503,207Top 15%
3
Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10151991 Toner, toner stored unit, and image forming apparatus Satoshi Kojima, Yoshihiro Moriya, Satoshi Takahashi, Tatsuru Moritani, Tatsuki Yamaguchi 2018-12-11
10113078 Ink discharge device and ink discharge method Keita Katoh, Hiroshi Gotou, Takahiro Yoshida, Akihiko Matsuyama, Yoshiki Yanagawa 2018-10-30
9971261 Toner Satoshi Takahashi, Yoshihiro Moriya, Ryota Inoue, Tatsuki Yamaguchi, Satoshi Kojima 2018-05-15