Inventor
TAKEYAMA TADAO
JP3 patents
Patents
3 patentsUS4923942AMay 8, 1990
Optical disc and method of manufacturing the same
MITSUBISHI PETROCHEMICAL CO17 citations70
US4734477AMar 29, 1988
Method for cast molding plastic substrate
MITSUBISHI PETROCHEMICAL CO6 citations61
US5371236ADec 6, 1994
Non-crystalline ether-imide type high purity bismaleimide composition and process for producing the same
MITSUBISHI PETROCHEMICAL CO4 citations59