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:
Sep. 29, 2026
Filed:
Dec. 05, 2022
Kabushiki Kaisha Pilot Corporation, Tokyo, JP;
The Pilot Ink Co., Ltd., Nagoya, JP;
Tomoya Ikai, Tokyo, JP;
Misako Mabuchi, Nagoya, JP;
KABUSHIKI KAISHA PILOT CORPORATION, Tokyo, JP;
THE PILOT INK CO., LTD., Nagoya, JP;
Abstract
An ink retention member includes an ink retention portion including ink retention grooves and ink guiding grooves. The ink retention member includes a first horizontal hole penetrating radially therethrough and being in communication with an inner hole. The first horizontal hole and the ink guiding grooves are formed not to communicate with each other in a transverse cross-section. The first horizontal hole is provided in a rear half portion of the ink retention portion. The ink retention member includes a second horizontal hole that is disposed forward from the first horizontal hole, radially penetrates therethrough, and communicates with the inner hole. The first horizontal hole and the second horizontal hole are each provided to penetrate at least one comb tooth axially and communicate with the ink retention grooves adjacent to the comb tooth.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile