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.
Japanese engineer
Died on Monday February 20th 2023