ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,845, issued on Nov. 25, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Grip force estimation device and grip force estimation method" was invented by Tomoshige Furuhi (Kyoto, Japan), Nobuyuki Nozawa (Kyoto, Japan), Koji Kawano (Kyoto, Japan), Takehiko Iizuka (Kyoto, Japan), Jun Makino (Kyoto, Japan), Takashi Watanabe (Kyoto, Japan) and Kenta Ago (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A grip force estimation device includes a sensor that is attached to sports equipment including a columnar portion having a grip portion at one end and a hitting portion connected to the columnar portion and is attached not at the g...