US Patent Issued to JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECHNOLOGY, Okamoto Glass on April 14 for "Weight release device" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,437, issued on April 14, was assigned to JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECHNOLOGY (Yokosuka, Japan) and Okamoto Glass Co. Ltd. (Kashiwa, Japan).

"Weight release device" was invented by Tetsuya Miwa (Yokosuka, Japan), Kazumasa Ikeda (Kashiwa, Japan), Takahiro Kubota (Kashiwa, Japan), Atsushi Arai (Kashiwa, Japan) and Yasuyuki Murakami (Tsurugashima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A weight release device capable of being operated in deep sea without accompanying a mechanical operation. The weight release device includes a housing fixed to the underwater observation device; a thread made of thermoplastic resin; electr...