Mitsubishi Chemical Corporation (MCC) and the National Institute for Materials Science (NIMS) announced that they have won in two patent administrative suits and confirm the validity of a patent (No. ZL201110066517.7) for red phosphor. (image: NIMS) MCC filed the patent infringement litigation with the Shenzhen Intermediate People’s Court against Shield on January 23, 2015. Another litigation filing with that court was against Intematix, its American parent Intematix Corporation, and Chinese sales agency GrandLux Optoelectronics (collectivel...

Jiangsu Bree Optronics, a Chinese phosphor manufacturer, claimed patent invalidity against The National Institute for Materials Science (NIMS) in Japan, who changed the licensing scheme for its comprehensive patent on red phosphor since October 2018. In October 2018, NIMS announced a new licensing scheme to the patents on the nitride red phosphor by the name of CASN, SCASN or 1113 phosphor (S/CASN phosphor). Originally, companies manufacturing LED devices were able to purchase S/CASN phosphors from phosphor manufacturing companies holding NIM...

Mitsubishi Chemical Corporation announced that it obtained a judgment recognizing an infringement for its red phosphor patent in China by Yantai Shield Advanced Materials (Shield). Mitsubishi Chemical has filed a suit in the Shenzhen Intermediate People's Court on January 23, 2015, accusing the Chinese company of infringement for the patents (No. ZL200480040967.7, No. ZL200710199440.4, and No. ZL201110066517.7) that are related to red phosphor. The patents are owned by Mitsubishi and the National Institute for Materials Science (NIMS). Mitsubishi...

The National Institute for Materials Science (NIMS) in Japan has announced that the licensing scheme for its comprehensive patent on red phosphor has been changed since October 1, 2018. The red phosphor patent was divided into two groups, a group of materials and manufacturing patents related to the manufacture of phosphors and a group of application patents related to the manufacture of LED devices. NIMS will enter new licensing contracts with companies to which these patents are applicable.