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:
Dec. 02, 2025
Filed:
Jan. 28, 2024
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Shiori Chonan, Kanagawa, JP;
Takashi Hasegawa, Kanagawa, JP;
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B42C 9/00 (2006.01); B42D 5/00 (2006.01);
U.S. Cl.
CPC ...
B42C 9/0081 (2013.01); B42D 5/003 (2013.01);
Abstract
A perfect-bound booklet includes a sheet set that is a stack of multiple sheets and multiple adhesive layers provided at an end of each sheet in the sheet set and interposed between the sheets and peelably bonding the sheets together, the multiple adhesive layers containing a thermoplastic adhesive agent, and the amount of the thermoplastic adhesive agent in the multiple adhesive layers changes from each of a first surface side and a second surface side of the booklet toward the middle of the booklet in the thickness direction.