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:
Sep. 11, 2018
Filed:
Nov. 21, 2014
Tokyo University of Marine Science and Technology, Tokyo, JP;
Nichimo Co., Ltd., Tokyo, JP;
Fuxiang Hu, Koto-ku, JP;
Tadashi Tokai, Yokohama, JP;
Hiromi Kinoshita, Shinagawa-ku, JP;
Taisei Kumazawa, Shinagawa-ku, JP;
TOKYO UNIVERSITY OF MARINE SCIENCE AND TECHNOLOGY, Minato-ku, JP;
NICHIMO CO., LTD, Shinagawa-ku, JP;
Abstract
The invention has a curved board. The curved board is formed into a shape that curves in a curving direction corresponding to an expanding direction of a net opening in a towing state, from a front-side end section that is a front side in a towing direction in the towing state towards a rear-side end section that is a rear side in the towing direction in the towing state. At least one of a projecting structure having a projecting surface, a top board, and a bottom board is formed in the curved board.