SY

Shigeo Yukawa

KC Kiwa Chemical Industry Co.: 7 patents #1 of 11Top 10%
Overall (All Time): #747,827 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8003197 Retroreflective sheet for security and method for manufacturing the same Masanobu Tanaka 2011-08-23
7906193 Retroreflective sheet Yasuyoshi Iwamoto 2011-03-15
7784952 Enclosed lens type retroreflective sheet with wide-angle reflective performance and external illumination system Hideyuki Oki, Yoshitaka Ura 2010-08-31
7709417 Security sticker and method for manufacturing the same 2010-05-04
7303292 Hue variable retroreflective sheet Jiro Sukoboshi 2007-12-04
7238643 Laminated body for printing with temporary display layer and printing method using the same Jiro Sukoboshi, Masanobu Tanaka 2007-07-03
7238644 Laminate for printing and, printing method and printed matter using the same Masanobu Tanaka 2007-07-03