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Sensei Ray Imada

Sensei Ray Imada

The United States Judo Federation and 50th State Judo Association mourns the passing of Ray Imada, a respected leader, mentor, and lifelong contributor to the art and community of judo in Hawaii. Ray devoted his life to the growth and promotion of judo, leaving a...

Masataka Hirayama

Masataka Hirayama passed away quietly February 23, 2026 at 85 years old. He was a long time Judoka of Hawaiian Judo. He began Judo in the 1950s on the island of Hawai’i (Big Island) and paralleled the beginnings of what is now USJF. From the 1970s to the 1990s...
In memory of Neil Simon

In memory of Neil Simon

Neil Simon Past President, United States Judo Federation & Konan Yudanshakai Neil Simon, past president of the United States Judo Federation (USJF) and Konan Yudanshakai, passed away on Friday, January 23, leaving behind a legacy of service, leadership, and deep...

Tone Shimizu

Tone Shimizu died peacefully in hospice care on November 4, 2025, after suffering a stroke. Tone was born to Kameki Shimizu and Sotera Fernandez in Negros Oriental, Philippines on March 30, 1938. Tone moved with his family to Japan after the war. He grew up in...
Sensei Robert Harder

Sensei Robert Harder

It is with great sadness that we share the news that Sensei Robert Harder, Hachidan, passed away Wednesday, January 17, 2024, surrounded by family at the age of 89 years, in Spokane, WA. We wish to express our deepest sympathy to Harder Sensei’s family. We have lost a...