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:
Jan. 28, 2025
Filed:
Oct. 28, 2021
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Akira Saito, Kanagawa, JP;
Yasuyuki Yamashita, Kanagawa, JP;
Kiichi Kamoda, Kanagawa, JP;
Shigenori Yaguchi, Tokyo, JP;
Nozomu Tamoto, Shizuoka, JP;
Hitoshi Iwatsuki, Kanagawa, JP;
Shinzo Higuchi, Tokyo, JP;
Sohichiroh Iida, Kanagawa, JP;
Yasuo Suzuki, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 64/153 (2017.01); B33Y 70/00 (2020.01); B33Y 70/10 (2020.01); C08F 110/06 (2006.01); C08G 8/02 (2006.01); C08G 63/183 (2006.01); C08G 67/00 (2006.01); C08G 69/26 (2006.01); C08J 3/12 (2006.01); C08K 3/016 (2018.01); C08K 5/00 (2006.01); B29K 101/12 (2006.01); B29K 105/00 (2006.01); B33Y 10/00 (2015.01);
U.S. Cl.
CPC ...
B29C 64/153 (2017.08); B33Y 70/00 (2014.12); B33Y 70/10 (2020.01); C08F 110/06 (2013.01); C08G 8/02 (2013.01); C08G 63/183 (2013.01); C08G 67/00 (2013.01); C08G 69/26 (2013.01); C08J 3/12 (2013.01); C08K 3/016 (2018.01); C08K 5/0066 (2013.01); B29K 2101/12 (2013.01); B29K 2105/251 (2013.01); B29K 2995/0041 (2013.01); B33Y 10/00 (2014.12); C08J 2361/00 (2013.01); C08J 2361/16 (2013.01); C08J 2367/02 (2013.01); C08J 2367/04 (2013.01); C08J 2377/02 (2013.01); C08J 2377/08 (2013.01); C08J 2377/10 (2013.01);
Abstract
A resin powder for solid freeform fabrication has a 50 percent cumulative volume particle diameter of from 5 to 100 μm and a ratio (Mv/Mn) of a volume average particle diameter (Mv) to the number average particle diameter (Mn) of 2.50 or less and satisfies at least one of the following conditions (1) to (3):