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. 05, 1993
Filed:
Apr. 08, 1991
Applicant:
Inventors:
Akihiko Kanemoto, Yokohama, JP;
Haruo Iimura, Yokohama, JP;
Yasuyuki Takiguchi, Kawasaki, JP;
Shigeki Iida, Kawasaki, JP;
Takehiro Toyooka, Yokohama, JP;
Hiroyuki Ito, Yokohama, JP;
Assignees:
Ricoh Company, Ltd., Tokyo, JP;
Nippon Oil Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229901 ; 359 63 ; 359 68 ;
Abstract
The present invention discloses a liquid crystal color display device comprising;