RT

Ryoichi Takasu

TC Tokyo Ohka Kogyo Co.: 1 patents #12 of 58Top 25%
Overall (2005): #108,202 of 245,428Top 45%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6936400 Negative resist composition Miwa Miyairi, Jun Iwashita, Toshikazu Tachikawa 2005-08-30