KW

Kazumasa Wakiya

TC Tokyo Ohka Kogyo Co.: 4 patents #2 of 65Top 4%
Overall (2004): #14,122 of 270,089Top 6%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6815151 Rinsing solution for lithography and method for processing substrate with the use of the same Masahito Tanabe, Masakazu Kobayashi, Toshimasa Nakayama 2004-11-09
6746963 Method for processing coating film and method for manufacturing semiconductor element with use of the same method Yasushi Fujii, Hiroyuki Iida, Isao Sato, Shigeru Yokoi 2004-06-08
6734258 Protective coating composition for dual damascene process Etsuko Iguchi, Jun Koshiyama 2004-05-11
6689535 Anti-reflective coating composition, multilayer photoresist material using the same, and method for forming pattern Etsuko Iguchi, Takeshi Tanaka 2004-02-10