Kentaro Kubota

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Kasukabe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a circuit board by punching
- Patent number 10,651,320
- Issue date May 12, 2020
- DSM IP Assets B.V.
- Koichi Kumai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Printed wiring board and method of producing the same
- Patent number 10,212,810
- Issue date Feb 19, 2019
- Toppan Printing Co., Ltd.
- Takanori Ohara
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of manufacturing a circuit board by punching
- Patent number 9,478,674
- Issue date Oct 25, 2016
- DSM IP Assets B.V.
- Koichi Kumai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING A CIRCUIT BOARD BY PUNCHING
- Publication number 20190288127
- Publication date Sep 19, 2019
- DSM IP Assets, B.V.
- Koichi KUMAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PRINTED WIRING BOARD AND METHOD OF PRODUCING THE SAME
- Publication number 20170273197
- Publication date Sep 21, 2017
- Toppan Printing Co., Ltd.
- Takanori OHARA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD OF MANUFACTURING A CIRCUIT BOARD BY PUNCHING
- Publication number 20170018660
- Publication date Jan 19, 2017
- DSM IP Assets B. V.
- Koichi KUMAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METAL FOIL PATTERN LAMINATE, METHOD FOR PUNCHING METAL FOIL, CIRCUI...
- Publication number 20130247977
- Publication date Sep 26, 2013
- Toppan Printing Co., Ltd.
- Koichi Kumai
- H01 - BASIC ELECTRIC ELEMENTS