| 1950 |
Tomoe Shokai
Co., Ltd., is established. Begins sales of specialized gases. |
| 1955 |
Leads the industry
by supplying liquid oxygen to Fuji Electric Co., Ltd., Kawasaki
Plant |
| 1958 |
Begins transactions
with Hitachi Ltd., Sumitomo Metal Mining Co., Ltd., and Komatsu
Electronic Metals Co., Ltd., supplying liquid nitrogen using
the latest methods. |
| 1959 |
Begins sales
of propane gas.
Chofu (Sales Office), Yokohama (Sales Office), Hiratsuka
(Sales Office) |
| 1960 |
Establishes alliance
with Tokyu Land Corp.; begins supplying propane gas to large-scale
ready-built residential complexes, etc. Attracts industry
attention for achieving liquid nitrogen handling volumes
of 150,000 tons/month. |
| 1961 |
Begins delivering
a broad range of gases to the Japan Atomic Energy Research
Institute
Chiba (Sales Office), Tokai (Sales Office) |
| 1962 |
Begins import
and sales of helium gas from Airco, America's largest helium
Supplier. |
| 1964 |
Becomes first
company to sell liquid helium in the Kanto region, accounting
for 50% of domestic demand. |
| 1965 |
Begins import
of hydrocarbon gases. Receives supply of silane gas from
Komatsu Electronic Metals Co., Ltd., for commercial sales. |
| 1967 |
Succeeds in commercializing
gases for sterilization in cooperation with Showa Tansan
Co., Ltd. Establishes Johnan Kyodo Sanso K.K. with joint
capital from Nippon Sanso Corp.
Osaka (Sales Office) |
| 1968 |
Establishes research
laboratory in Yokohama, and builds Propane gas filling station
at the same time.
Yokohama (Business Office) |
| 1969 |
Begins import
and sales of Sulfur hexafluoride (SF6) from Imperial Chemical
Industries (ICI) in the UK.
Shizuoka (Branch Office), Akita (Branch Office) |
| 1970 |
Establishes Japan
Helium Center with joint capital from Nippon Sanso Corp.
and America's Airco, and begins helium filling operations
in Japan. Establishes Niigata Hydrogen Co.,Ltd. with joint
capital from Shin-Etsu Chemical Co.,Ltd. and Showa Denko
K.K. and Nagano Ekisan Kogyo K.K. with joint capital from
Nippon Sanso Corp. and Okaya Sanso Co., Ltd.
Takasaki (Sales Office), Naoetsu (Sales Office), Himeji (Branch
Office) |
| 1971 |
Koriyama (Branch
Office) |
| 1972 |
Establishes Tomoe
Unyu Co.,Ltd. |
| 1973 |
Establishes sterilization
plant in Omori, Ota-ku.
Ohmori (Business Office), Gakuen-toshi (Sales Office) |
| 1974 |
Begins nationwide
sales of chlorofluorocarbons as a primary distributor for
Showa Denko K.K. |
| 1975 |
Builds Gas Terminal
Nagoya (Contact Office) |
| 1976 |
Introduces Japan's
first helium trailer. |
| 1977 |
Construction
begins on a large-scale plant in Tsukuba's Gakuen Toshi (Academic
City), and Tomoe Shokai begins supplying various types of
gases. |
| 1978 |
Supplies various
types of high-pressure gases with start of full-scale testing
of new reactors for nuclear power generation.
Supplies hydrogen gas required for engine combustion testing
at National Space Development Agency of Japan (NASDA) |
| 1979 |
Establishes Takarakosan
Co.,Ltd.
Higashi-Matsuyama (Branch Office) |
| 1980 |
Opens business
office in Isehara City; begins production of dry ice.
Establishes Tomoe Puropan Co.,Ltd. to expand the company's
Household Propane Division.
Isehara (Business Office) |
| 1981 |
Begins propane
and deodorant butane at Isehara Business Office. Establishes
K.K. Jyoban Helium Supply Center.
Johtoh (Sales Office), Miyazaki (Branch Office), Nakamachi
(Branch Office) |
| 1982 |
Establishes Kofu
Gas Center with joint capital from Showa Denko K.K., and
begins production of nitrogen.
Kofu (Sales Office) |
| 1983 |
Establishes Fukushima
Hydrogen Inc, with joint capital from Nippon Sanso Corp.
and Kureha Chemical Industry Co., Ltd. Establishes Kotobuki
Sangyo Co., Ltd.
Yamaguchi (Branch Office), Matsumoto (Branch Office) |
| 1984 |
Yokosuka (Branch
Office) |
| 1985 |
Establishes Takasaki
Gas Center with joint capital from Showa Denko K.K. and Taiyo
Toyo Sanso Co., Ltd.
Chitose (Sales Office), Toyama (Sales Office), Nagasaki (Branch
Office), Shirakawa (Contact Office) |
| 1986 |
Establishes Johtoh
Gas Co.,Ltd. Houes Laboratory to Yokohama.
Sendai (Contact Office) |
| 1987 |
Mobara (Branch
Office) |
| 1988 |
Isobe (Sales
Office), Miyagi (Branch Office), Utsunomiya (Contact Office) |
| 1989 |
Builds new Japan
Gas Haneda Plant.
Establishes Thai-Japan Gas Co., Ltd., in Thailand.
Kyoto (Branch Office), Kawasaki (Branch Office) |
| 1990 |
Establishes Tsugaru
Gas Center Co.,Ltd. with joint capital from Nippon Sanso
Corp. and Showa Denko K.K.
Aomori (Sales Office), Ishikawa (Contact Office) |
| 1991 |
Establishes a
computer room in Haneda, and begins online system operations.
Okinodaira (Branch Office), Izumi (Branch Office), Tama (Sales
Office), Hachioji (Branch Office) |
| 1992 |
Iwaki (Branch
Office) |
| 1993 |
Establishes Ibaraki
Gas Service K.K.
Rokkasho (Contact Office), Nara (Branch Office), Nirasaki
(Representative Office), Shonan (Sales Office) |
| 1994 |
Sakura (Branch
Office), Aizu (Representative Office), Tonami (Sales Office) |
| 1995 |
Establishes Mobara
Gas Center Co.,Ltd. with joint capital from Taiyo Toyo Sanso
Co.,Ltd., and Ohme Gas Center with joint capital from Showa
Denko K.K., Osaka Sanso Kogyo Ltd. and Nippon Sanso Corp.
Opens Dallas Representative Office in the U.S. Establishes
Pilipnas Total Gas Inc. in the Philippines with joint capital
from Ingasco, Inc.
Saijo (Branch Office) |
| 1996 |
Establishes Vietnam
Japan Gas Co., Ltd., in Vietnam with joint capital from Nissho
Iwai Corp. Establishes Irving Gas Center Co., Ltd., in the
US with joint capital from Nippon Sanso Corp.
Hitachinaka (Sales Office), Iwate (Representative Office),
Tateyama (Representative Office) |
| 1997 |
Establishes Clean
Act Inc. Establishes Tampines Gas Centre Pte., Ltd. in Singapore
with joint capital from NOX and Nippon Sanso Corp.
Totsuka (Branch Office), Nagano (Branch Office) |
| 1998 |
Establishes Tomoe
Transtech Specialty Gases Pte. Ltd. in Singapore with joint
capital from Spectra Gases Inc. and Transtech Electronics
Pte., Ltd.
Sasebo (Business Office) |
| 1999 |
Head office and
Gas Terminal acquire ISO14001 certification.
Hamamatsu (Representative Office), Nasu (Representative Office) |
| 2000 |
Celebrates 50th
anniversary.
Spins off Isehara Business Office; establishes Shonan LPG
Center.
Iijima (Contact Office), Kumamoto (Branch Office) |
| 2001 |
Ojiya (Contact
Office) Arai (Sales Office) |
| 2002 |
Sagamihara (Branch
Office)
Acquired the ISO 9001:2000 certification at Technical Department
Establishes Sterile Service (Singapore) Pte Ltd. In Singapore
Establishes Shanghai Tomoe Gases Co.,Ltd in China |
| 2003 |
Acquired the
ISO 14001certification at Hitachinaka and other 35 branch
offices.
Inaugurated a FC project in May |
