Granted Patent
Utility
US 6,148,276 · App. 09/154,986
Diffusion simulating method
Inventor:
Hironori Sakamoto
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Sep 17, 1998
Inventor
Hironori Sakamoto
Assignee (at issue)
NEC CORPORATION
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.