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.:
Date of Patent:
Aug. 18, 2026
Filed:
May. 30, 2023
Applicant:
Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;
Inventors:
Katsushi Hamakubo, Osaka-shi, Osaka, JP;
Noriaki Iwaguchi, Osaka-shi, Osaka, JP;
Takashi Fujii, Osaka-shi, Osaka, JP;
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., OSAKA-SHI, OSAKA, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
U.S. Cl.
CPC ...
C09D 4/00 ; G02B 6/02395 ; C09D 7/65 ; C09D 7/61 ; C03C 25/47 ; C03C 25/1065 ; C03C 25/26 ; C03C 25/326 ; C03C 25/42 ; C03C 25/6226 ; C08F 265/04 ; C08F 290/067 ; C09D 133/14 ; C08F 220/30 ; C08F 226/02 ; C08F 222/102 ;
Hamakubo, Katsushi. (2026). Resin composition, optical fiber, and method for producing optical fiber (U.S. Patent No. 12709686). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12709686
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile