Legal Opinion
Tokyo Shibaura Electric Co. Ltd. v. Zenith Radio Corporation
Court of Appeals for the Third Circuit
Decided January 7, 1977No. 76-1237PublishedCited by 28 opinions
1Opinion of the Court
OPINION OF THE COURT
ROSENN, Circuit Judge.
The quest to improve the brightness and contrast of the color television picture tube forms the backdrop of this appeal. The appellees, a Japanese company and its United States subsidiaries (hereinafter referred to collectively as “Toshiba”), brought an action against Zenith Radio Corporation (“Zenith”) seeking a declaration of the invalidity, non-infringement, and unenforceability of Zenith’s United States Letters Patent No. 3,146,368 (“the ’368 patent”). 1 Zenith counterclaimed, alleging that Toshiba’s Blackstripe picture tube infringed the ’368…
2Cases cited23 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Sakraida v. Ag Pro, Inc.Supreme Court of the United States · 1976
- New Hampshire Bankers Ass'n v. NelsonSupreme Court of the United States · 1972
- Universal Athletic Sales Co., a Corporation v. American Gym, Recreational & Athletic Equipment Corporation, Inc.Court of Appeals for the Third Circuit · 1976
- Trio Process Corporation, in No. 71-1295 v. L. Goldstein's Sons, Inc., in No. 71-1296Court of Appeals for the Third Circuit · 1972
18 more not listed; retrieve them via the Exa API.
3Cited by28 opinions
- Paeco, Inc., in No. 76-1495 v. Applied Moldings, Inc. And Michael R. Sigal, in No. 76-1496 v. Arlen Realty and Development CorpCourt of Appeals for the Third Circuit · 1977
- Sims v. Mack Truck Corp.Court of Appeals for the Third Circuit · 1979
- Systematic Tool & MacHine Company v. Walter Kidde & Company, Inc.Court of Appeals for the Third Circuit · 1977
- Johnson & Johnson v. W. L. Gore & Associates, Inc.District Court, D. Delaware · 1977
- Studiengesellschaft Kohle mbH v. Dart Industries, Inc.District Court, D. Delaware · 1982
23 more not listed; retrieve them via the Exa API.