-
-
-
-
-
Impact energy absorptive structures
-
Patent number 6,080,463
-
Issue date Jun 27, 2000
-
Sumitomo Chemical Co., Ltd.
-
Yoshiaki Togawa
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Impact energy absorptive structures
-
Patent number 5,925,435
-
Issue date Jul 20, 1999
-
Sumitomo Chemical Company, Limited
-
Yoshiaki Togawa
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Plastic-made reinforced structure
-
Patent number 5,618,607
-
Issue date Apr 8, 1997
-
Sumitomo Chemical Company, Limited
-
Yoshiaki Togawa
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL