RH

Ryutaro Harada

Dai Nippon Printing Co.: 2 patents #15 of 147Top 15%
Overall (1997): #25,172 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5631753 Black matrix base board and manufacturing method therefor, and liquid crystal display panel and manufacturing method therefor Takuya Hamaguchi, Hiroyuki Kusukawa, Yasutomo Teshima, Satoshi Mitamura 1997-05-20
5615030 Black matrix substrate, and color filter and liquid crystal display device using the same Satoshi Mitamura 1997-03-25