IP Library Granted Patent US 6,832,045
Granted Patent Utility
US 6,832,045 · App. 10/456,680

Exposure device

Inventors: Daisuke Nakaya, Takeshi Fujii, Yoshimitsu Kudoh
Patented Case View Patent ↗
Granted: Dec 14, 2004 Filed: Jun 9, 2003
Inventors
Daisuke Nakaya
Takeshi Fujii
Yoshimitsu Kudoh
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.

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 6,832,045
App. No.
10/456,680
Filed
2003-06-09
Granted
2004-12-14
Kind
B2