Sodegaura
Japan
2
2009-12-31
The entities that hold a legal rights for patent applications filed by inventor Hamada Yasushi:
Yasushi Hamada from Sodegaura, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Polycarbonate copolymer, method for producing the same, molded body, optical material, and electrophotographic photosensitive body
#2 | 2005-06-30Aromatic polycarbonate resin, process for producing the same, optical-part molding material, and optical part
6090293 ⎘