YK

Yohei Kinoshita

TC Tokyo Ohka Kogyo Co.: 2 patents #26 of 105Top 25%
Overall (2011): #56,416 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7923192 Base material for pattern-forming material, positive resist composition and method of resist pattern formation Taku Hirayama, Daiju Shiono, Tasuku Matsumiya 2011-04-12
7919227 Positive resist composition and method of forming resist pattern Takeshi Iwai, Toshiyuki Ogata 2011-04-05