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last 30 patents
Information
Patent Grant
Method for treating radioactive laundry waste water
Patent number
5,732,362
Issue date
Mar 24, 1998
Hitachi, Ltd.
Tatsuo Izumida
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Solidification agents for radioactive waste and a method for proces...
Patent number
5,498,828
Issue date
Mar 12, 1996
Hitachi, Ltd.
Masami Matsuda
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Method for solidification of waste, and apparatus, waste form, and...
Patent number
5,463,171
Issue date
Oct 31, 1995
Hitachi, Ltd.
Takashi Nishi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Process for treating radioactive waste liquid
Patent number
4,804,498
Issue date
Feb 14, 1989
Hitachi, Ltd.
Hiroko Mizuno
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Radioactive waste treatment method
Patent number
4,793,947
Issue date
Dec 27, 1988
Hitachi, Ltd.
Tatsuo Izumida
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Process for disposing of radioactive liquid waste
Patent number
4,775,495
Issue date
Oct 4, 1988
Hitachi, Ltd.
Tatsuo Izumida
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Method for decontaminating metals contaminated with radioactive sub...
Patent number
4,481,089
Issue date
Nov 6, 1984
Hitachi, Ltd.
Tatsuo Izumida
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR