-
Electrical heating apparatus
-
Patent number 12,109,603
-
Issue date Oct 8, 2024
-
Sumitomo Heavy Industries, Ltd.
-
Akihiro Ide
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
-
Forming system
-
Patent number 12,090,542
-
Issue date Sep 17, 2024
-
Sumitomo Heavy Industries, Ltd.
-
Masayuki Ishizuka
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
-
-
Forming device and metal pipe
-
Patent number 11,642,715
-
Issue date May 9, 2023
-
Sumitomo Heavy Industries, Ltd.
-
Akihiro Ide
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
-
Forming system
-
Patent number 11,453,037
-
Issue date Sep 27, 2022
-
Sumitomo Heavy Industries, Ltd.
-
Masayuki Saika
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
-
-
Forming apparatus
-
Patent number 11,253,900
-
Issue date Feb 22, 2022
-
Sumitomo Heavy Industries, Ltd.
-
Kimihiro Nogiwa
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...