Granted Patent
Utility
US 6,490,309 · App. 09/621,241
Laser-diode-pumped laser apparatus in which Pr3+-doped laser medium is pumped with GaN-based compound laser diode
Inventors:
Yoji Okazaki, Takayuki Katoh
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Jul 21, 2000
Inventors
Yoji Okazaki
Takayuki Katoh
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.