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Yasuo Yamamoto

RK Riso Kagaku: 3 patents #2 of 72Top 3%
NC Nippon Paper Industries Co.: 1 patents #13 of 51Top 30%
Overall (2003): #11,386 of 273,478Top 5%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6572951 Printing sheet Makoto Hasegawa, Noriko Kumazawa, Akinobu Chatani, Nobuo Nakanishi, Ryuta Ono +2 more 2003-06-03
6550380 Method for stencil plate making of stencil sheet for stencil printing Hideyuki Kinoshita 2003-04-22
6530318 Stencil printing system using UV-curable ink and having ink supply roll comprised of nonmetallic material Toshihiro Endo 2003-03-11
6502506 Stencil printing machine having moistener mechanism Toshihiro Endo 2003-01-07