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. 26, 2004
Filed:
Jun. 18, 2002
Eiri Sagae, Kanagawa, JP;
Hiroyuki Endoh, Kanagawa, JP;
Yasuo Yamanaka, Kanagawa, JP;
Toshiyuki Iseki, Kanagawa, JP;
Kohei Shimbo, Kanagawa, JP;
Yutaka Kaneko, Kanagawa, JP;
Ricoh Company, LTD, Tokyo, JP;
Abstract
An injection mold that is capable of producing a final molded component that meets designed optical properties is designed and produced efficiently by measuring shape errors, which adversely affect the optical properties, of at least one of a surface shape of a cavity of a first molding part and a molded component produced by using the first molding part, by reducing at least one of wavelength components of the shape errors, by generating processing information that is used to produce a second molding part that is used to mold the final molded component.