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:
May. 09, 2006
Filed:
Jul. 12, 2002
Yoshitaka Kawanishi, Tokyo, JP;
Yoshitaka Kawanishi, Tokyo, JP;
Pioneer Corporation, Tokyo, JP;
Abstract
To provide a manufacturing method for simultaneously forming machined patterns different in dept in a small number of steps and a machined pattern having a U-shaped sectional form in which depths and widths are smoothly changed. Mask patternsrespectively having a semicircular sectional form and mask patternsrespectively having a V-shaped sectional form are formed at different opening widthsandrespectively to perform sandblasting by using the mask patternsandas masks. Though a deep groove is formed between the semicircular-sectional-form mask patternsa shallow groove is formed between the V-shaped-sectional-form mask patterns
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile