ST

Sachiko Tamura

TC Tokyo Ohka Kogyo Co.: 1 patents #23 of 59Top 40%
Overall (2002): #121,797 of 266,432Top 50%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6379859 Positive photoresist composition and process for forming resist pattern using same Takako Suzuki, Kousuke Doi, Hidekatsu Kohara, Toshimasa Nakayama 2002-04-30