Cosmoprene Captive Balloon Super Pressure balloon Gas Holder Color Balloon Parachute Inquiry
Company Name The Weather Balloon Mfg. Co., Ltd.

Former office building

Current office building
Address 23-10, Kitakojiya 1-chome, Ohta-ku, Tokyo 144-0032 Japan
Telephone Number 81-3-3741-1141 (main)
FAX Number 81-3-3744-1400
Established June, 1894
Paid-in Capita JPY10 million
Number of Employees 30
Main Customers Japan Meteorological Agency, Japan Ministry of Defense, Japan Aerospace Exploration Agency, High Energy Acceleration Research Organization, Advanced Industrial Science & Technology, National of Radiological Sciences, RIKEN,
The University of Tokyo, Tokyo Institute of Technology, University of Tsukuba, Hokkaido University, Tohoku University, Nagoya University, Kyoto University, Osaka University, Kyushu University, Japan Weather Association, IHI Corporation, E. Kato, Ltd. The Dahjang Co., Ltd., Kokugo Co., Ltd. Izumo Health Co., Ltd., Koike Sanso Kogyo Co., Ltd. Nomura Co., Ltd., Environment Observation Center of Various City , Word-wide Meteorological Agency & Laboratory, WMO,
Business’s Bank Bank of Tokyo-Mitsubishi UFJ, Haneda Branch, Bank of Yokohama, Kamata Branch, Japan Finance Corporation, Omori Branch, Johnan Shinkin Bank, Omori Branch, Higashi Nippon Bank, Kamata Branch
Participation Group Japan Rubber Manufacturers Association, Japan Association of Meteorological Instrument Engineering, Meteorological Society of Japan, The Tokyo Chamber of Commerce and Industry
1894 Established by Isaburo Yamada at Takanawa in Tokyo.

Founder Mr. Isaburou Yamada

Yamada Model Airship

1896 Produced Japanese type Captive Balloon.
1907 Moved office and plant to Osaki in Tokyo.
1910 Invented Yamada-type airship and produced. Established the first flight record in Japan.
(Yamada-type airship succeeded to flight around Tokyo on Sep 20, 1911. “Day of Sky”(Sep 20) in Japan is established for the day.)
1915 Devised advertisement in the air by captive Balloons. It is ancestor of an advertising balloon.
1920 Developed balloon for meteorological observation and delivered to Japan Meteorological Agency.
1934 Moved office and plant to current address.
1941 Renovated balloon manufacturing method due to spread of concentrated Latex.
1947 Started to produce dipping products.
1954 Became designated factory of Japan Meteorological Agency and Japan Defense Agency.
1955 Started to export balloon.
1959 Developed and produced Gas Holder and delivered to the University of Tokyo.
1963 Produced balloon for meteorological observation by synthetic rubber.
1968 Developed and produced Super Pressure Balloon. Contributed observation for turbulence, pollution etc.
1971 Increased performance of balloon and named "COSMOPRENE". And expanded market in the world.
1980 Expanded the plant and inspection facility. 1985 Mass produced laminating processing for wet suits.
1985 Mass produced laminating processing for wet suits.
1988 Contrived and produced balloon of mini-airship model (KYS type).
1990 Improved part of facility for balloon.
1994 Automated part of production process for balloon.
2002 Developed color balloon for display and events.
2010 Put together part of facility.
2014 Started to sell parachute.
2015 Started exhibiting at Meteorological Technology World Expo (MTWE).
2016 Founder Isaburo Yamada was inducted into the Federation Aeronautics International(HO Lausanne) Hall of Fame in 2016.
2017 Meteorological observation balloon becomes ISO standard (ISO17717).
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