ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,170, issued on July 21, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"Laser device" was invented by Yoshinori Tamaoki (Hamamatsu, Japan), Takashi Sekine (Hamamatsu, Japan), Yuki Muramatsu (Hamamatsu, Japan), Yuma Hatano (Hamamatsu, Japan) and Yasuki Takeuchi (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A laser device includes a vacuum container including a wall portion, a laser medium disposed inside the vacuum container, a cooler disposed outside the vacuum container, and a heat conductor penetrating the wall portion in a predetermined direction and connected to the laser medium and the cooler."

The patent was f...