-
-
Honeycomb regenerator
-
Patent number 6,210,645
-
Issue date Apr 3, 2001
-
NGK Insulators, Ltd.
-
Kazuhiko Kumazawa
-
F28 - HEAT EXCHANGE IN GENERAL
-
-
Honeycomb regenerator
-
Patent number 6,062,297
-
Issue date May 16, 2000
-
NGK Insulators, Ltd.
-
Yoshiyuki Kasai
-
F28 - HEAT EXCHANGE IN GENERAL
-
-
Honeycomb regenerator
-
Patent number 5,992,504
-
Issue date Nov 30, 1999
-
NGK Insulators, Ltd.
-
Kazuhiko Kumazawa
-
F28 - HEAT EXCHANGE IN GENERAL
-
-
-
-
-
Cordierite ceramic filter
-
Patent number 5,549,725
-
Issue date Aug 27, 1996
-
NGK Insulators, Ltd.
-
Yoshiyuki Kasai
-
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
-
Porous ceramic honeycomb filter
-
Patent number 5,545,243
-
Issue date Aug 13, 1996
-
NGK Insulators, Ltd.
-
Wataru Kotani
-
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES