font sizeSML


Corporate History

(As of June, 2009)

August, 1953 MASPRO GIKEN KOGYO founded. Production and sales of amateur radio transmitters and radios for telecommunication commenced.
January, 1954 Production and sales of TV antennas commenced.
December, 1954 Relocated to Enjyo-cho, Showa-ku, Nagoya city.
September, 1955 SHOWA DENKI KOGYO Co.,Ltd. established, and Takashi Hashiyama appointed as president.
October, 1957 Head office and factory relocated to Sawashita-cho, Atsuta-ku, Nagoya city.
September, 1959 Due to severe damage caused by the Ise Bay Typhoon, operation suspended for about two months. Part of Company’s market share is lost and the company falls far behind the other competitors in the industry. This is the 1st unforgettable page in the company’s history.


1960 –

October, 1960 Mizuho factory established in Mizuho-ku, Nagoya city.
July, 1961 SHOWA DENKI KOGYO Co.,Ltd. is renamed MASPRO DENKOH Corp.
August, 1961 Nisshin factory established at Nisshin-cho (today’s Nisshin city),

Aichi prefecture.

October, 1961 Sales launched for CATV equipment.
February, 1965 Mizuho factory integrated into Nisshin factory.
September, 1966 Head Office relocated to Nisshin-cho (today’s Nisshin city),

Aichi prefecture.

July, 1968 Seizing the opportunity provided by the initiation of private UHF stations, production of more than a hundred thousand high-performance UHF converters per month recorded.
September, 1969 In the fall of 1968, a promise is made that if employees put their whole heart and soul into their assigned tasks and achieve optimal performance, they will be rewarded with a trip to Hong Kong. Finally, a specially chartered airplane, “The MASPRO”, flies to Hong Kong. This episode receives a great deal of media coverage from the weekly magazine “Sankei”, and other major newspapers and radio stations. This is the 2nd unforgettable event in the company’s history.
October, 1969 MASPRO DENKOH is ranked first for self-assessed income for the fiscal year ending September under the jurisdiction of Nagoya Regional Taxation Bureau. This is reported by newspapers and TV stations, and the name, MASPRO DENKOH is made famous. In particular through the introduction of the booming company in a feature article appearing in the weekly magazine “Sankei”, MASPRO DENKOH appears to gain a good reputation among readers. This is the 3rd unforgettable episode in the company’s history.

1970 –

December, 1970 Head Office building completed.
February, 1973 480 workers enjoy a company trip to Hawaii, and all 34 engineers take a study tour to the US and Europe.
May, 1973 With sales recorded at 6.15 billion yen in 1972, MASPRO DENKOH is ranked first in the industry.
November, 1974 Main factory (south) completed.
March, 1975 MASPRO Art Museum opened.
December, 1976 Research on SHF converters and other technologies used in satellite broadcasting reception, Government subsidies for important engineering research and development granted by the Ministry of International Trade and Industry (today’s Ministry of Economy, Trade and Industry)

1980 –

June, 1982 Visited by the British ambassador to Japan.
January, 1986 Main factory (north) completed.
April, 1989 Expansion of Main factory (south) completed.
June, 1989 Satellite TV program from China Central Television broadcasting the Tiananmen Square incident is received by MASPRO DENKOH Head Office’s antenna and offered to NHK (Japan Broadcasting Corporation), which subsequently broadcasts it as a major scoop almost daily.

1990 –

December, 1991 Listed on the Second Section of the Nagoya Stock Exchange.
September, 1995 Kozoji New Town Factory in Kasugai city, to the north of Nagoya city,


October, 1996 MASPRO AMTECH Co.,Ltd., a joint venture company in Thailand, established.
March, 1997 Listed on the Second Section of the Tokyo Stock Exchange.
September, 1997 Transferred to the First Section of the Stock Exchanges in Tokyo and


September, 1999 ISO9001 certification received from SGS Japan Inc. at the Head Office and Kozoji New Town Factory for the quality management system in design, development, manufacture, and repair of parabola antennas for satellite reception, satellite reception converters, and two-way satellite automobile communication equipment.

2000 –

June, 2002 New Head Office building completed.
September, 2002 CATV equipment and ITS (intelligent transport system) equipment added to the list of ISO9001 certified products.
November, 2002 New MASPRO Art Museum opened.
2005 Products complied with RoHS
June, 2005 Takashi Hashiyama, first president, appointed as chairman of the board.

Hideshige Seo appointed as president.

February, 2006 ISO14001 certification received from SGS Japan Inc. at the Main and Kozoji New Town Factory for the enviromental management system in design, development, manufacture, and repair of TV reception, satellite broadcasting, satellite reception, ITS (intelligent transport system), security system, and information communication-related equipment.
April, 2007 Mr. Takashi Hashiyama, Chairman and Founder, passed away on
Apr. 6th 2007. He was 76 years old.
June, 2007 Yoshimasa Hashiyama, Executive Vice President, appointed as Representative Director of the Board.
January, 2009 Expansion of Kozoji New Town Factory building, about 1000 square meters of floor space expanded and partially two-story structure rebuilt
June, 2009 Hideshige Seo, President, appointed as Chairman.

Yoshimasa Hashiyama, Executive Vice President, appointed as President.

December, 2009 Installation and start operation of photovoltaic power generating
system at Kozoji New Town Factory.

2010 –

August, 2010 Establishment of joint Venture MASPRO LANKA in Sri Lanka.
May, 2011 Opened R&D Center,adjacent to Kozoji New Town Factory.
December, 2011 MBO(Management Buy Out) carried out ,and delisted from the stock exchange.
April, 2012 Electromagnetic Wave Measurement Facilities, one of the largest chambers of its kind in Japan, completed on the premises of R&D Center.
May, 2012 Established a new company to be our manufacturing base in Vietnam.
New production base to satisfy the growing global demand and increase production efficiencies.
October, 2015 Participation in the RFID business which becomes the way of implementing the IoT society.
June, 2016 Utilized our Handy-type Passive Millimeter wave Body Scanners at the Ise-Shima Summit 2016.