ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,868, issued on May 19, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Solar cell unit and solar cell unit maintenance system" was invented by Hirofumi Iisaka (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A solar cell unit capable of easily replacing a film-type solar cell while concurrently using the film-type solar cell and a non-film-type solar cell, and a solar cell unit maintenance system are provided. The solar cell unit includes: a film-type solar cell disposed on a light incident side; a non-film-type solar cell disposed on a side opposite to the light incident side of the film-type solar cell; and a reeling mechanism th...