ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,543, issued on July 29, was assigned to Nippon Paper Industries Co. Ltd. (Tokyo).
"Hard coat film" was invented by Morio Matsuzaki (Higashimatsuyama, Japan), Yasuaki Yoshida (Higashimatsuyama, Japan), Hirosuke Tsunoda (Higashimatsuyama, Japan) and Narihiro Iio (Higashimatsuyama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a hard coat film that is provided with a hard coat layer via an easy-bonding layer on at least one surface of a cycloolefin film, has excellent temporal adhesiveness under normal condition and under moisture and heat resistant condition, and has no crack occurrence under the heat resistant co...