RO

Ryohei Oka

Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
DC Dnp Fine Chemicals Co.: 1 patents #17 of 43Top 40%
Overall (All Time): #1,994,179 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9815991 Ink composition for inkjet recording, method for producing printed material, and printing method Megumi Oogaki, Shinichi Yoshimitsu, Katsumi Watanabe, Yukiko Ishima, Karuna IWASAWA 2017-11-14
9154756 Projection apparatus and hologram recording medium Makio Kurashige, Yukio Taniguchi, Kazutoshi Ishida 2015-10-06