Who are you looking for?

Install Famoose

Keep Famoose on your home screen or desktop for easy access.

Open this site in Chrome or Edge and look for Install app in the browser menu or address bar. If no install option appears, you can bookmark Famoose instead.

Famoose.co
Appearance
Text size
Page width
Colour
Discover›Technology
Contents
Yoshihisa Okumura
Engineer

Yoshihisa Okumura

Famoose for

Developing radio-propagation models used in mobile networks.

Okumura model · Draper Prize

Born
2 July 1926
Birthplace
Kanazawa
Died
18 February 2023

More people

Ada LovelaceRecognising what a programmable machine could do beyond arithmetic.Alan TuringHelping break Enigma and laying foundations for computer science.Grace HopperHelping make computer programming readable in English-like language.

Yoshihisa Okumura

Yoshihisa Okumura was a Japanese engineer whose field measurements helped planners estimate mobile radio coverage.

Early life

Education

Studied electrical engineering at Kanazawa Technical College between 1944 and 1947.

Career

  1. 1950

    NTT

    Joined telecommunications research.

  2. 1968

    Propagation study

    Published results of extensive measurements.

Contributions

Okumura model

Published curves for estimating radio signal strength over distance and terrain.

Draper Prize

Shared recognition for contributions to cellular telephony.

Beyond research

Education

Joined the Kanazawa Institute of Technology as a professor in 1979 and continued there until retiring in 2000, bringing his telecommunications research experience into teaching.

Sources & photo creditBiography and career ↗Biographical references ↗

Original photograph. Cropped and displayed in monochrome.

Photo: Stephen Wilkus of Dr. Yoshihisa Okumura. CC BY-SA 3.0 · Original image. Cropped and displayed in monochrome.