SY

Shuhei Yahiro

SI Sanyo Chemical Industries: 4 patents #54 of 607Top 9%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #1,015,434 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8563650 Method for producing resin dispersions and resin particles Yoko Sakurai, Yasuhiro Ono 2013-10-22
8163840 Polyester resin for toner, toner composition and resin particle Tadao Takikawa 2012-04-24
7951518 Polyester resin for toner, toner composition and resin particle Yasuhiro Ono, Masakazu Iwata, Takashi Akutagawa, Tsuyosi Izumi, Tadao Takikawa 2011-05-31
7405000 Resin particle and process of producing the same Tadao Takikawa, Toshihiko Kinsho, Hidetoshi Noda, Yutaka Yoshida, Tomoyuki Ichikawa +3 more 2008-07-29
7166403 Toner, developer, image developing apparatus, and image forming apparatus Tomoyuki Ichikawa, Satoshi Mochizuki, Yasuaki Iwamoto, Hideki Sugiura, Tadao Takikawa +2 more 2007-01-23