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:
Mar. 16, 2021
Filed:
Aug. 31, 2017
Applicants:
Tatsuya Niimi, Kanagawa, JP;
Yoshihiro Norikane, Kanagawa, JP;
Takashi Matsumura, Kanagawa, JP;
Hiroshi Iwata, Aichi, JP;
Noriaki Okada, Kanagawa, JP;
Takuya Saito, Kanagawa, JP;
Inventors:
Tatsuya Niimi, Kanagawa, JP;
Yoshihiro Norikane, Kanagawa, JP;
Takashi Matsumura, Kanagawa, JP;
Hiroshi Iwata, Aichi, JP;
Noriaki Okada, Kanagawa, JP;
Takuya Saito, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G09B 23/30 (2006.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01); C08J 3/075 (2006.01); G09B 23/28 (2006.01); B33Y 10/00 (2015.01); B29C 64/40 (2017.01); B29K 105/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
G09B 23/30 (2013.01); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); C08J 3/075 (2013.01); G09B 23/285 (2013.01); B29C 64/40 (2017.08); B29K 2105/0002 (2013.01); B29K 2105/0061 (2013.01); B29L 2031/7532 (2013.01); B33Y 10/00 (2014.12);
Abstract
A hydrogel structure includes a hollow tubular structure having an inner diameter of 1.0 mm or less, wherein the hydrogel structure has a transmission of 80 percent or more in a visible light range.