ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,438, issued on July 21, was assigned to Warpspace Inc. (Ibaraki, Japan).

"User satellite, relay satellite, satellite system and communication method" was invented by Takehiko Sonoda (Saitama, Japan) and Masanori Seki (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a technique for implementing instantly responsive communication flexibly by setting communication occasions in an on-demand manner that are not included in a communication plan scheduled in advance for inter-satellite optical communication. One aspect of the present disclosure relates to a satellite including an optical signal obtainer that captures an opti...