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James Yutaka Hamai Edit Profile

Manufacturing executive

James Yutaka Hamai, manufacturing executive. Club: Rotary (governor district 1982-1983). Served with Army of the United States, 1946-1948. Member American Institute of Chemical Engineers, American Management Association, Tau Beta Pi, Phi Lambda Upsilon.


Hamai, James Yutaka was born on October 14, 1926 in Los Angeles, California, United States. Son of Seizo and May (Sata) Hamai.


Bachelor of Science cum laude, University Southern California, 1952. Master of Science, 1955. Postgraduate business management program independent executive, University of California at Los Angeles, 1962—1964.


Lecturer chemical engineering department University Southern California, Los Angeles, 1961—1964. Process engineer, senior process engineer Fluor Corporation, 1954—1964. Senior project manager central research department Monsanto Company, St. Louis, 1964—1967, manager research, development and engineering graphic system department, 1967—1968.

Manager commercial development New Enterprise Division, 1968—1969. Executive vice president, director Concrete Cutting Industries, Inc., Los Angeles, 1969—1972. President, director Concrete Cutting International Inc., 1972—1978, chairman board, since 1978.

President, Chief Executive Officer, director Techno Enterprises United States of America, Ltd., 2000—2004. Consultant Fluor Corporation, Los Angeles, 1970-1974. Director Intech Systems Limited company, Tokyo, Cutting Industries Limited company, Tokyo.

International business consultant.


  • Club: Rotary (governor district 1982-1983).


Served withAUS, 1946-1948. Member American Institute Chemical Engineers, American Management Association, Tau BetaPi, Phi Lambda Upsilon. Club: Rotary (governor district 1982-1983).


Married Dorothy K. Fukuda, September 10, 1954. 1 child, Wendy A. Lecturer.

Seizo Hamai

Fumiko May (Sata) Hamai

Dorothy K. Fukuda

Wendy A. Hamai