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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12766810 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Sep. 15, 2021

Organic core material, production method for same, laminate including organic core material, and circuit board

Applicant:

Resonac Corporation, Tokyo, JP;

Inventors:

Shunsuke Otake, Tokyo, JP;

Kazuyuki Mitsukura, Tokyo, JP;

Takashi Masuko, Tokyo, JP;

Kazuhiko Kurafuchi, Tokyo, JP;

Shinji Shimaoka, Tokyo, JP;

Hiroaki Fujita, Tokyo, JP;

Assignee:
Attorney:

SHIPWAY IP

Primary Examiner:

Daniel Mcnally

Int. Cl.
CPC ...
B32B 5/26 (2006.01); B32B 33/00 (2006.01);
U.S. Cl.
CPC ...
B32B 5/263 (2021.05); B32B 33/00 (2013.01); B32B 2260/023 (2013.01); B32B 2260/046 (2013.01); B32B 2457/00 (2013.01);
Abstract

An organic core material including a first layer having a first fiber cloth and a first resin layer formed from a first resin component and having the first fiber cloth embedded therein, and a second layer having a second fiber cloth and a second resin layer formed from a second resin component and having the second fiber cloth embedded therein. The organic core material has a laminated structure including the second layer, a plurality of the first layers, and the second layer in order, and a content percentage of the second resin component based on a mass of the second resin layer is higher than a content percentage of the first resin component based on a mass of the first resin layer.

Find Patent Forward Citations

Otake, Shunsuke. (2026). Organic core material, production method for same, laminate including organic core material, and circuit board (U.S. Patent No. 12766810). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12766810

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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