He made the Guinness Book of World Records last year as the oldest documented living dog on the planet.
On Monday Pusuke, a mixed-breed male, died at the very senior age of 26 or about 182 in human years.
Pusuke died just five minutes after his owner had returned home from running errands. "I think (Pusuke) waited for me to come home,'' she told reporters.
A 28-year-old beagle from the U.S. had previously held the record for oldest dog in the world before it died in 2003.
A sheepdog in Australia is believed to have been the longest-lived dog ever. It died at the age of 29.