Granted Patent
Utility
US 5,717,214 · App. 08/628,842
X-ray beam position monitor and its position measurement method
Inventors:
Hideo Kitamura, Yoshiyuki Yamamoto, Keiichiro Tanabe, Hisaharu Sakae
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: Apr 5, 1996
Inventors
Hideo Kitamura
Yoshiyuki Yamamoto
Keiichiro Tanabe
Hisaharu Sakae
Assignee (at issue)
Rikagaku Kenkyusho
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.