YH

Yoshikazu Hara

RK Riso Kagaku: 3 patents #2 of 72Top 3%
📍 Tsukuba, JP: #17 of 294 inventorsTop 6%
Overall (2003): #18,899 of 273,478Top 7%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6640702 Stencil printing machine and method of controlling the same Hiroshi Watanabe 2003-11-04
6631674 Stencil printing machine and control method thereof Takeshi Koishi 2003-10-14
6508168 Stencil printer Yasuhiro Takahashi, Hideaki Nogi, Koichi Oyama 2003-01-21