Granted Patent
Utility
US 5,353,737 · App. 08/046,804
Method for forming boron-doped semiconducting diamond films
Inventors:
Hisashi Koyama, Koichi Miyata, Koji Kobashi
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Apr 16, 1993
Inventors
Hisashi Koyama
Koichi Miyata
Koji Kobashi
Assignee (at issue)
Kabushiki Kaisha Kobe Seiko Sho
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.