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.:

US 7009774 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 07, 2006

Filed:

Sep. 28, 2004
Applicants:

Takehisa Yoshikawa, Yokohama, JP;

Yukio Maeda, Yokohama, JP;

Masato Taya, Kyowa, JP;

Tomohisa Ohta, Nogi, JP;

Isao Ishizawa, Kanuma, JP;

Makoto Satoh, Kyowa, JP;

Inventors:

Takehisa Yoshikawa, Yokohama, JP;

Yukio Maeda, Yokohama, JP;

Masato Taya, Kyowa, JP;

Tomohisa Ohta, Nogi, JP;

Isao Ishizawa, Kanuma, JP;

Makoto Satoh, Kyowa, JP;

Assignees:

Hitachi, Ltd., Tokyo, JP;

Hitachi Chemical Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/10 (2006.01); B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A component including a part having a concave and convex configuration for one of the enabling one of light convergence, light diffusion and light diffraction, being formed as a reflective film. The outline of the concave and convex configuration viewed from a right angle relative to a horizontal face has a half moon-shape, and a direction of a straight line part of the half moon-shape of each concave and convex configuration matches a direction of the horizontal face, and a plurality of the concave and convex configurations are combined.


Find Patent Forward Citations

Yoshikawa, Takehisa. (2006). Microlens array, a method for making a transfer master pattern for microlens array, a concave and convex pattern obtained from the transfer master pattern, a laminate for transfer, a diffuse reflection plate and a liquid crystal display device (U.S. Patent No. 7009774). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7009774

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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