IP Library › Granted Patent US 5,328,861
Granted Patent Utility
US 5,328,861 · App. 07/968,382

Method for forming thin film transistor

Inventor: Tatsuya Miyakawa
Patented Case View Patent ↗
Granted: Jul 12, 1994 Filed: Oct 29, 1992
Inventor
Tatsuya Miyakawa
Assignee (at issue)
CASIO COMPUTER CO., LTD.

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,328,861
App. No.
07/968,382
Filed
1992-10-29
Granted
1994-07-12
Kind
A