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. 16, 2008
Filed:
Jun. 03, 2004
Shiro Ohmura, Tokyo, JP;
Yoshihito Ohmura, Tokyo, JP;
Hideaki Hirobe, Tokyo, JP;
Takehiko Imura, Tokyo, JP;
Shiro Ohmura, Tokyo, JP;
Yoshihito Ohmura, Tokyo, JP;
Hideaki Hirobe, Tokyo, JP;
Takehiko Imura, Tokyo, JP;
Tosho, Inc., Tokyo, JP;
Abstract
A clean room unit which is equipped with a work room and a clean bench unit can be independently installed inside a building, can generate an air shower in the work room, and can realize miniaturization and cost reduction. The clean room has a work room, a clean bench unit which has a work opening and has the work opening installed to look onto the work room, an air conditioning system which can perform purification and pressure control of air inside the work room and the clean bench unit and can generate an air shower in the work room, and a control unit. The air conditioning system is controlled by the control unit to switch exclusively between the air shower mode, the ventilation mode, the positively-pressurized work mode, and the negatively-pressurized work mode.