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:
Oct. 28, 2025
Filed:
Feb. 26, 2020
Maxell, Ltd., Kyoto, JP;
Akira Inaba, Kyoto, JP;
Hiroyuki Hirama, Kyoto, JP;
Yasushi Kato, Kyoto, JP;
Takayuki Suginome, Kyoto, JP;
Yusuke Baba, Kyoto, JP;
MAXELL, LTD., Kyoto, JP;
Abstract
A lens unit that includes an optical element including at least a lens group in which a plurality of lenses are arranged along an optical axis; and a cylindrical lens barrel having an inner accommodation space for accommodating and holding the optical element, and the lens group includes a first lens located closest to the object side thereof; and a second lens adjacent to the first lens on the image side thereof, and optical elements and/or the optical element and the lens barrel are bonded to each other in an airtight state, such that an inter-lens space between the first lens and the second lens is sealed to the outside.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile