Granted Patent
Utility
US 6,534,790 · App. 09/796,803
Compound semiconductor field effect transistor
Inventors:
Takehiko Kato, Kazuki Ota, Hironobu Miyamoto, Naotaka Iwata, Masaaki Kuzuhara
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Mar 2, 2001
Inventors
Takehiko Kato
Kazuki Ota
Hironobu Miyamoto
Naotaka Iwata
Masaaki Kuzuhara
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.