US Patent Issued to Canon on July 21 for "Ink cartridge for printer" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. D1,136,020, issued on July 21, was assigned to Canon K.K. (Tokyo).

"Ink cartridge for printer" was invented by Keisuke Iinuma (Kanagawa, Japan), Wataru Takahashi (Kanagawa, Japan), Tatsuo Nanjo (Kanagawa, Japan), Soji Kondo (Kanagawa, Japan) and Hiroki Hayashi (Kanagawa, Japan).

The patent was filed on Nov. 20, 2025, under Application No. D/033,806.

*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=D1136020&OS=D1136020&RS=D1136020

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