Tokyo Shibaura Elec. Co., Ltd. v. Zenith Radio Corp.

OPINION

STAPLETON, District Judge:

I. PARTIES AND JURISDICTION

This is a declaratory judgment action which poses questions regarding the validity, infringement and enforceability of a patent on certain improvements in color television picture tubes. Plaintiffs, Tokyo Shibaura Electric Co., Ltd., Toshiba America, Inc., and Toshiba Hawaii, Inc., (hereinafter collectively referred to as “Toshiba”) are respectively, a Japanese corporation and its wholly-owned New York and Hawaiian subsidiaries which sell color television picture tubes in the United States. Defendant, Zenith Radio Corporation…