AK

Akira Kumazawa

TC Tokyo Ohka Kogyo Co.: 1 patents #12 of 58Top 25%
Overall (2005): #242,216 of 245,428Top 100%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6897011 Photosensitive composition for sandblasting and photosensitive film using the same Ryuma Mizusawa, Syunji Nakazato, Hiroyuki Obiya 2005-05-24