TK

Tsutomu Katsumata

AC Asahi Kasei Chemicals: 1 patents #26 of 123Top 25%
SC Simotec Co.: 1 patents #1 of 2Top 50%
Overall (2011): #33,227 of 364,097Top 10%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8013107 Process for producing polyalkylene terephthalate, process for producing polyalkylene terephthalate molding and polyalkylene terephthalate molding Hiroshi Yokoyama, Katsuhiro Fujimoto, Muneaki Aminaka, Junichi Sugimoto 2011-09-06
7963648 Original cover closer Hirohumi Kohda 2011-06-21
7900320 Opening/closing device for document pressing device Hirofumi Kohda 2011-03-08