

| Company Name | Fuyo Perlite Co., Ltd. |
| Head office | 3041-1, Toyohashi, Shimosuwa-machi, Suwa-gun, Nagano Prefecture 393-0001, Japan TEL : 81-266-27-2018 FAX : 81-266-28-8328 |
| URL | http://www.fuyo-p.co.jp/ |
| Established | March 1973 |
| President | Hozumi Kawata |
| Closing of accounts | December |
| Capital | 130 million yen (as of December 31, 2009) |
| Shareholder | Showa Denko K.K. : 73.08% Asahi Kasei Construction Materials Corporation Taisei Corporation Toa Corporation Penta-Ocean Construction Co., Ltd. Nishimatsu Construction Co., Ltd. Taiheiyo Cement Corporation |
| Employee | 34 |
| Major products | Fuyo
LiteVenus Lite Super Venus Net Lite Oil Block Bachil Up Underfloor mat Venus Soil Venus Yuki Fuyo Mineral Soil conditioners Fuyo X Water Activating Pot "Kirigamine" |
| Domestic sales office | Tokyo Branch 1-13-7, Shibadaimon, Minato-ku, Tokyo 105-0012, Japan TEL : 81-3-6680-9996 FAX : 81-3-6681-8272 |
| Domestic production sites | Suwa Plant 3041-1, Toyohashi, Shimosuwa-machi, Suwa-gun, Nagano Prefecture 393-0001, Japan TEL : 81-266-27-2018 Main items produced : Fuyo Lite, Venus Lite, Super Venus, Net Lite, Oil Block, Bachil Up, Underfloor Mat, Venus Soil, Venus Yuki, Fuyo Mineral, Soil Conditioners, Fuyo X, Water Activating Pot "Kirigamine" |
| Domestic research and development sites | Suwa Plant 3041-1, Toyohashi, Shimosuwa-machi, Suwa-gun, Nagano Prefecture 393-0001, Japan TEL : 81-266-27-2018 Main research areas : Manufacture and sale of lightweight aggregates for fire-proofing, heat insulation, sound insulation, and moisture-proofing, along with aggregates, oil adsorbing agents, and similar products for gardening, planting, and drainage |
| 1964 | Fuyo Development Co., Ltd. developed a technology for manufacturing lightweight aggregates by sintering obsidian and pearlite | ||
| 1970 | Aug. | This business was taken over by the Fuyo Lite Dept. of Vacuum Concrete Co., Ltd., a subsidiary of Fuyo Development Co., Ltd. The department then obtained a permit to mine obsidian in Nagano Prefecture. | |
| 1971 | Feb. | Built the Suwa Plant in Toibashi, Shimo Suwa-cho, Suwa-gun, Nagano Prefecture, Japan and put the plant into operation | |
| 1972 | and onwards | Promoted the development of applications of obsidian as a soil conditioner for tree planting | |
| 1973 | Mar. | Spun off from Vacuum Concrete Co., Ltd. Established Fuyo Lite Co., Ltd. | |
| 1973 | Apr. | Built an additional large kiln (Kiln No. 2) to meet growing demand for building materials, strove to develop applications of obsidian, and extended the sales channels of the products to civil engineering, architectural, iron and steel making, soil conditioning, and other uses | |
| 1975 | and onwards | The company's products extended to a wider range of applications for artificial ground and roof tree-planting, including the Ueno Park, Tokyo | |
| 1979 | Feb. | Built a high-performance large external-heat kiln (Kiln No. 3) to meet growing demand for high-quality fine-grain products | |
| 1980 | Sep. | The company's product, "Fuyo Lite," certified as an "excellent heat-insulation building material" by the Minister of International Trade and Industry | |
| 1987 | Dec. | Replaced the deteriorated Kiln No. 1 with a high-performance large external-heat kiln | |
| 1988 | Sep. | Reinforced Kiln No. 3 in an attempt to increase the production capacity | |
| 1992 | Sep. | Enhanced the stone refinery line and installed additional automatic packing machines, product storage bunkers, and other equipment in an attempt to increase the production capacity and to streamline the process and save labor | |
| 1994 | Jun. | Renamed as "Fuyo Pearlite Co., Ltd." | |
| 1994 | Nov. | Began to produce and sell a new product, a water activating pot ("Kirigamine" | |
| 1994 | Dec. | The share of Showa Denko K.K. increased to 60.38% | |
| 1999 | Mar. | Developed a new product, "Oil Block," and entered the field of environmental products | |
| 2000 | Mar. | Developed a new product, Bachil Up, and began to sell it | |
| 2003 | May | Renewed Kiln No. 3 entirely to increase quality and productivity | |
| 2003 | Aug. | Began to sell a dissolvable bag for roof tree-planting, "Super Venus" | |
| 2003 | Oct. | Began to sell an oil adsorbent in case of oil outflow in rivers and other waters, called "Oil Block Fence" | |
| 2008 | Sep. | The share of Showa Denko K.K. increased to 73.08% |