YU

Yasusi Umeda

NC Nippon Paint Holdings Co.: 2 patents #265 of 834Top 35%
Overall (All Time): #2,369,514 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4288517 Toner for electrostatic photography containing resin coated silica particles Seiji Arimatsu, Katsukiyo Ishikawa, Koichi Nagata 1981-09-08
4251622 Photo-sensitive composition for dry formation of image Koichi Kimoto, Shin Saito, Kunsei Tanabe, Yasuyuki Takimoto 1981-02-17