The former Japan international was on target after 14 minutes of his side's 3-2 defeat to Jubilo Iwata in the second tier J2 League clash, one month and 10 days after his 48th birthday.
The forward - known as 'Kazu' - already held the record, having last scored in November 2013.
"I managed to get a good jump on the ball," he told the Kyodo News agency.
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