Company Profile|Tokyo Rikosha Co., Ltd.


President greetings

Electricity is our eternal Energy, our eternal Romance

Electricity is produced and the same electricity plays an important roles in further creations. Electricity is our everlasting energy.
We challenge the world with dreams and continuously cultivate our skills in most effective ways. With more than eighty years of experiences in the industry, TOKYO RIKOSHA is proud to play the role of a leading power-supply manufacturer.

Today, our company strives to correspond with world's technology needs and contribute to the industry by proposals and developments from small parts to computer-control power-supply systems.
In the future, we plan to pour our young power into our experienced skills and aim to work with oversea businesses for our bright future with borderless relationships.

President: Takanori Okazak

Company Profile

Trade name
Tokyo Rikosha Co., Ltd.
April (1962) for 1962 years
establishment of a business
It is October (1924) for 1924 years
 Takanori Okazaki
Head office
1-4-30 Sakawa sakura-ku , Saitama city, Saitama-ken, Japan 338-0823
TEL : +81-(0)48-856-3851 FAX : +81-(0)48-856-3861
Osaka Offices
Kikawa Building 4F, 4-6-19 Nishinakajima, Yodogawa-ku, Osaka-shi,
Osaka-hu, Japan 532-0011
TEL : +81-(0)6-6304-1283 FAX : +81-(0)6-6304-1289
Company capital
47,000,000 Yen
Partner banks
Saitama Resona Bank Urawa Chuoh branch
Sumitomo Mitsui Banking Nippori Branch
Bank of Tokyo-Mitsubishi UFJ Ohji branchh
Number of employees

Access map

Company History

Oct 1924
Eizo Tsujikubo First CEO established the company to sell an electric chemistry machine at Sibuya-ku Tokyo.
Mar 1935
Move to Takawa Minatoku.
Apr 1943
Started manufacture the slide transformer and the range of a transformer.
Oct 1950
The Tokyo Rikosha, Co was leaded technology from the Ministry of International Trade and Industry Electric Research, start to manufacture the automatic voltage transformer(the increase magnetic type).
Oct 1952
 Decide the company limited foundation capital money to 500,000 yen.
Jan 1958
The increase capital money to 3,000,000yen.
Sep 1958
Move to Tabatashinmachi Kita-Ku.
Dec 1958
Established the Osaka office.
Jul 1961
Start foundation operation the Kawaguchi factory at Kawaguchi city.
Apr 1962
The increase capital money to 20,000,000yen.
Oct 1965
 Exploitation thyristor type AC power transformer the 「VARITAP」, sales begin.
Jun 1967
Exploitation the return of a current prevention coil, the return of a current control with core compound brash type slide trance, sales begin.
Oct 1968
The 「VARITAP」 was commend from the Ministry of International Trade and Industry {Now AIST(National Institute of Advanced Industrial Science and Technology)} to this year new product best equipment.
Dec 1968
The increase capital money to 23,000,000yen.
May 1969
Tsujikubo Matsuo became CEO.
Oct 1969
Exploitation automatic voltage transformer 「the auto power」,sales begin.
Jun 1973
Exploitation direct current power supply「the DC・power supply」,sales begin.
Feb 1973
Take up the chief director of industry association of voltage regulation post.
Apr 1975
Established the Fukuoka office.
Jul 1980
The increase capital money to 47,000,000yen.
Apr 1981
Exploitation thyristor type big voltage transformer the VARITAP 「H series」, sales begin.
Mar 1983
Exploitation temperature control zerocROSS divide method the VARITAP 「Z series」,sales begin. Exploitation thyristor type voltage transformer the VARITAP「P series」, sales begin.
Apr 1984
Established the Tokai office.
Sep 1988
Improvement and model change to the VARITAP「P series・Z series」.
Dec 1990
Exploitation 「the power sources system」 for diversification customer, sales begin.
Apr 1991
Exploitation「the digic series」, sales begin.
Dec 1992
Exploitation the wave series 「the alternating current switching regulator」, sales begin.
Nov 1993
Multifunction・Low cost the frequency converter「ESA series」,sales begin.
Feb 1994
Takanori Okazaki became CEO.
Jan 1995
Exploitation「the wire breaks alarm」,sales begin.
May 1995
Exploitation「DEMAGNETIZER」, sales begin.
Mar 1996
Exploitation「the Non-Contact Energy Transfer SystemS」,sales begin.
Apr 1997
Established TOKYO RIKOSHA(HONGKONG)Ltd at Hong-Kong.
Sep 1998
Excellent 「the noise-cut transformer」 in an attenuation characteristic, sales begin.
Oct 1999
 Exploitation a thunder endurance transformer, sales begin.
Nov 2001
Exploitation「the power supply for a lifting magnet」, provide OEM.
Dec 2002
Exploitation「the instantaneous power failure generation device」,provide OEM.
Aug 2003
Excellent operation「the digital indicating controller」sales begin.
Aug 2003
Be realize low cost and high function to a frequency transformer「the ESA series」1KVA,2KVA, sales begin.
Jul 2004
Exploitation frequency transformer「ESA series」3KVA, sales begin.
Apr 2005
Exploitation VARITAP「VSCD series」,sales begin.
Apr 2005
Be realize smaller and low cost to the alternating current switching regulator「the wave series」,sales begin.
Aug 2005
Sales begin a CE marking 「the Noise-Cut Transformers」.
Feb 2006
Certification IOS 9001:2000,ISO 14001:2004 acquired.
Sep 2007
ales begin CE marking「VARITAP」.
Jan 2008 
「the Non-Contact Energy Transfer Systems」 wins Tokyo City's new provide・new technology section award.
Apr 2008
A voltage descent examination device「Dip Simulator」Award to the Saitama Industry personal club (Nishikaiki commemoration prize)
Sep 2008
VARITAP「VSCW Series」sales begin.
Feb 2010
 VARITAP「VTCQ Series」sales begin.
Oct 2011
VARITAP「VPR-10A,10C Series」sales begin.
Apr 2016
Head Office Moved to Saitama City.
A headquarters location is moved to Saitama-shi.
A VPJ series is remodeled in VPJ-N series.
Varitap VP series renewal
Explotation VARITAP「VSCX Series」sales begin.
In Saitama-shi, secondary system establishment