YH

Yuko Hayama

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
📍 Adachi, JP: #57 of 222 inventorsTop 30%
Overall (All Time): #1,003,762 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9188929 Curl straightening method and image forming apparatus Shunichi Oohara 2015-11-17
9031492 Image forming apparatus and curl correcting method Shunichi Oohara 2015-05-12
7490827 Image forming apparatus Katsuhiko Miki, Osamu Takehira 2009-02-17
5822667 Transfer separator Hirokazu Ishii, Satoshi Takano, Akio Kutsuwada, Hakuti Mizuishi, Hiroshi Itoh +1 more 1998-10-13
5812919 Image transferring device for an image forming apparatus Satoshi Takano, Itaru Matsuda, Hirokazu Ishii, Akio Kutsuwada, Haruji Mizuishi +1 more 1998-09-22