Granted Patent
Utility
US 4,895,678 · App. 07/363,305
Method for thermal decomposition treatment of radioactive waste
Inventors:
Katsuyuki Ohtsuka, Jin Ohuchi, Hideaki Tamai
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Jun 8, 1989
Inventors
Katsuyuki Ohtsuka
Jin Ohuchi
Hideaki Tamai
Assignee (at issue)
Doryokuro Kakunenryo Kaihatsu Jigyodan
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.