Jan. 1951 |
Katsura Marumo founded Marumo Seisakusho at 9-chome Ota-ku, Tokyo. |
Jun. 1955 |
Katsura Co., Ltd. established with a capitalization of 300,000 yen. |
Oct. 1956 |
Japan’s first direct pressure hand torch burner launched. (patented) |
Apr. 1962 |
Katsura got a patent on the LPG hot air generator. |
Mar. 1964 |
Sales launch of the greenhouse LPG gas burners. |
Sep. 1964 |
Katsura produced the burner for the flame holder of Tokyo Olympics. |
Apr. 1966 |
Yamanashi factory established in Sutama, Yamanashi Prefecture. |
May 1968 |
LPG regulator approved by UL. |
Apr. 1969 |
All the LPG regulators passed the Japanese national assay. |
Oct. 1971 |
Capital increased to 75,000,000 yen. |
Jul. 1972 |
Company head office and combustion equipment factory relocated to Ayase, Kanagawa Prefecture.
|
Jan. 1973 |
The production method of the jet tube burner was licensed by Burner Systems International, Inc.
(U.S.A.) |
Oct. 1973 |
Exclusive technical collaboration agreement was made with Pyronics Inc. (U.S.A.) for the
production and sales of the industrial combustion equipment. |
Jul. 1975 |
Capital increased to 150,000,000 yen. |
Jul. 1977 |
Technical collaboration agreement was made with ITT Industries Inc. (U.S.A.) |
Jul. 1980 |
Capital increased to 240,000,000 yen. |
Jan. 1982 |
LPG greenhouse heater launched. |
Jan. 1983 |
Emergency gas shutoff valves were approved by Tokyo Gas Co., Ltd., Osaka Gas Co., Ltd. and Toho
Gas Co., Ltd. |
Sep. 1984 |
Die-casting lines started production at Yamanashi factory. |
Dec. 1986 |
Emergency gas shutoff valve, the Gas breaker and Automatic change-over regulator with shutoff
function, the Hybrid breaker, launched. |
Mar. 1987 |
Yamanashi new factory established. |
Oct. 1988 |
In commemoration of the 35 anniversary of the company, head office relocated to Naka-ku,
Yokohama City. |
Jun. 1989 |
Exclusive contract was made with Gaz Industrie (France) for the production and sales of the
far-infrared ray combustion equipment. |
Apr. 1992 |
Exclusive contract was made with Robur S.p.A. (Italy) for the production and sales of the gas
chiller/heater. |
Oct. 1992 |
Capital increased to 313,580,000 yen. |
May 1993 |
Gas combustion engineering laboratory established at Kanagawa factory. |
Oct. 1993 |
Under commission of Agency for Natural Resources and Energy, the development of the GG air
conditioner started. |
Apr. 1996 |
Field test of the GG air conditioner was done. |
Jun. 1997 |
Katsura received the order for the torches of the torch relay of the Winter Olympics in Nagano.
|
Sep. 1997 |
The acquisition of Tokyo Gasdenro Co., Ltd. |
Sep. 1998 |
Capital increased to 382,740,000 yen. |
Apr. 2000 |
The acquisition of Shin Nihon Piping Co., Ltd(current company name: Katsura Plantech Co., Ltd.)
has become a wholly owned subsidiary through M&A. |
|
Yamanashi factory obtained a certification of ISO9001. |
May 2000 |
Company head office relocated to Kanagawa-ku, Yokohama City. |
Sep. 2000 |
Katsura started to import bulk tanks from Mexico. |
Apr. 2002 |
Yamanashi factory obtained a ministerial approval of METI. |
Feb. 2007 |
Capital increased to 444,014,000 yen. |
May 2011 |
Katsura Vietnam Co., Ltd. was established in Vietnam as a 100-percent subsidiary of Katsura Co.
Ltd. |
Sep. 2011 |
Gasdenro Danyang Co., Ltd. was established in China as a 100-percent subsidiary of Tokyo
Gasdenro Co., Ltd. |
Aug. 2013 |
Gasdenro Vietnam Co., Ltd. was established in Vietnam as a 100-percent subsidiary of Tokyo
Gasdenro Co., Ltd. |
Dec. 2016 |
Bulk Safety Co., Ltd. was established as a joint venture with Gaspal Co., Ltd. |
Dec 2019 |
KATSURA VIETNAM COMPANY LIMITED changed company name as KATSURA VIETNAM JOINT STOCK COMPANY.
|
Jul. 2020 |
Capital reduced to 100 million yen. |
Aug. 2021 |
New company name has become HEAT ENERGY TECH CO., LTD. after thermal facilities division of
Katsura Co., Ltd. and Tokyo Gasdenro Co., Ltd. was integrated. |