Patents/Inventors

Yoshiya Ota

OsakaJP2 patents

3 Patents

US124669142025
Retardation Film and Applications Thereof
OSAKA GAS CHEMICALS CO., Ltd.
0 cites
US123841322025
Retardation Film and Method for Producing Same
OSAKA GAS CHEMICALS CO., Ltd.
0 cites
US123666942025
Retardation Film and Method for Producing the Same
OSAKA GAS CHEMICALS CO., Ltd.
0 cites