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:
Jun. 16, 2026
Filed:
May. 01, 2023
Toshiba Mitsubishi-electric Industrial Systems Corporation, Tokyo, JP;
Ren Arita, Tokyo, JP;
TMEIC CORPORATION, Tokyo, JP;
Abstract
An electrode unit in an active gas generation apparatus according to the present disclosure includes a ground conductor provided to a lower side of a ground side electrode constituting part. A chassis bottom part of a chassis includes a chassis opening part, and the chassis opening part includes a lower side tapered region having a larger opening area with decreasing distance to a lower side and an upper side region. A plurality of gas ejection ports provided in the ground conductor are provided to get closer to each other with decreasing distance to the lower side so that plural pieces of partial active gas collide with each other in a collision region, and the collision region is located in the lower side tapered region or in the upper side region on an upper side of the lower side tapered region.