Yasujiro Niwa

Quick Facts: Who was Yasujiro Niwa?

Subject:

Yasujiro Niwa

Known for:

Pioneering Japanese electrical scientist known for phototelegraphy and early TV technology.

Born:

1893-04-01

Died:

1975-02-28

Century / Era:

1893s Historical Era Archive

Verified Source:

2Day Chrono-Wiki & Primary Historical Archives

Origins & Early Life

Yasujiro Niwa (丹羽 保次郎, Niwa Yasujirō; April 1, 1893 – February 28, 1975) was a Japanese electrical scientist from Matsusaka, Mie. In the 1920s, he invented a simple device for phototelegraphic transmission through cable and later via radio, a technology that contributed to the development of mechanical television in Japan.

Career & Major Achievements

He later became the Director of the Department of Electronic Engineering at the University of Tokyo. He was awarded the Order of Cultural Merits and the Grand Cordon of the Order of the Sacred Treasure.

Enduring Legacy & Impact

On April 18, 1985, the Japan Patent Office selected him as one of Ten Japanese Great Inventors.

Chronological Milestones & Life Events

1. 1893 (1893-04-01): Birth of Yasujiro Niwa — Pioneering Japanese electrical scientist known for phototelegraphy and early TV technology.
2. 1975 (1975-02-28): Passing & Historical Legacy — Yasujiro Niwa passed away on 1975-02-28, leaving an enduring historical legacy.
3. 1985: 1985 Milestone — On April 18, 1985, the Japan Patent Office selected him as one of Ten Japanese Great Inventors.

Historical Fact-Check Quiz: Yasujiro Niwa

True or False: “Yasujiro Niwa's primary contribution was solely in the field of radio communication systems.”

Answer (FALSE ❌): While he worked with radio, his initial significant invention involved phototelegraphic transmission through cables and later via radio.

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• 1893 Historical Timeline & Archive — Explore world events and figures from 1893
• April 1 (04-01) On This Day — Historical birthdays and events on April 1
• 1975 Historical Timeline & Archive — Explore world events and figures from 1975
• February 28 (02-28) On This Day — Historical events and memorials on February 28

Frequently Asked Questions about Yasujiro Niwa