Granted Patent
Utility
US 6,746,633 · App. 09/880,944
Method for stretching polymer film, polarizing film and method for producing the same, polarizer, birefringenical film and liquid crystal display device
Inventors:
Satoshi Sakamaki, Keiichi Taguchi
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Jun 15, 2001
Inventors
Satoshi Sakamaki
Keiichi Taguchi
Assignee (at issue)
Fujitsu Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.