Yoshihisa Okumura: key obituary facts
Is Yoshihisa Okumura dead? Yes. Yoshihisa Okumura died on February 20, 2023, at age 96.
Cause of death: Yoshihisa Okumura's cause of death has not been publicly confirmed.
What was Yoshihisa Okumura known for?
He was known as Japanese engineer.
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Japanese engineer
Died on Monday February 20th 2023