YT

Yasumitsu Taira

TC Tokyo Ohka Kogyo Co.: 2 patents #345 of 684Top 55%
Overall (All Time): #2,137,968 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7576046 Cleaning liquid for lithography and method of cleaning therewith Jun Koshiyama, Chima Shinohara 2009-08-18
6319815 Electric wiring forming method with use of embedding material Etsuko Iguchi, Masakazu Kobayashi 2001-11-20