YY

Yasuo Yamamoto

FI Fujifilm Business Innovation: 3 patents #15 of 315Top 5%
EA E.I. Du Pont De Nemours And: 1 patents #169 of 718Top 25%
RK Riso Kagaku: 1 patents #4 of 13Top 35%
Overall (1994): #1,424 of 165,921Top 1%
6
Patents 1994

Issued Patents 1994

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5373785 Mimeographic transfer printing machine Mitsuru Ujiie, Nagon Takita 1994-12-20
5320925 Electrophotographic toner composition Takashi Imai, Satoshi Inoue, Masanori Ichimura, Yutaka Sugizaki, Susumu Saito +4 more 1994-06-14
5306589 Black toner for color digital copying machine Yutaka Sugizaki 1994-04-26
5301512 Method and apparatus for making snow 1994-04-12
5296324 Toner for developing electrostatic charge image and process for preparing the same Hideyuki Akagi, Susumu Saito, Masaru Miura, Takashi Imai, Masayuki Takei +6 more 1994-03-22
5283007 Conductive polymer compositions Akira Inaba, Takayuki Oba 1994-02-01