SN

Satoshi Niikura

TC Tokyo Ohka Kogyo Co.: 1 patents #23 of 59Top 40%
Overall (2002): #122,280 of 266,432Top 50%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6492085 Positive photoresist composition and process and synthesizing polyphenol compound Satoshi Shimatani, Ken Miyagi, Hidekatsu Kohara, Toshimasa Nakayama 2002-12-10