US Patent Issued to Denka on Aug. 18 for "Electron emitter" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. D1,142,263, issued on Aug. 18, was assigned to Denka Co. Ltd. (Tokyo).

"Electron emitter" was invented by Daisuke Ishikawa (Tokyo).

The patent was filed on Nov. 29, 2022, under Application No. D/861,313.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1142263&OS=D1142263&RS=D1142263

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