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1950
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Developed the first cork-rubber composition in Japan.
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1951
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Started manufacturing oil seals, spinning-rollers, industrial products of synthetic rub-ber compounds and gaskets of cork-rubber compositions. |
1952
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Developed new machine for manufacturing compressed cork poles for disks by continu-ous forming. |
1953
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Developed expanded polystyrene products and steam-baking system for insulation cork board, first in Japan.
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1955
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Authorized by JIS to manufacture steam-baked insulation cork board.
Established Uchiyama Kogyo, Ltd.
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1956
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Changed the name to Uchiyama Cork Co., Ltd.
Increased capital to 45,000,000yen. |
1959
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Developed bearing seals formed by core and synthetic rubber compounds.
Authorized by the Defense Agency to man-ufacture synthetic rubber compounds under MIL standard. |
1960
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Developed and started manufacturing syn-thetic rubber insulation "INPA".
Built a new plant at another site in Enami, and started manufacturing synthetic rubber. |
1961
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Developed a cork-rubber composition for molding.
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1962
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Changed Uchiyama Cork Co.,Ltd. to Uch-iyama Manufacturing Corp.
Changed the Uchiyama Kogyo, Ltd. to Uch-iyama Corp. |
1963
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Authorized by JIS to manufacture O-rings.Built two new plants, one in Chigasaki City, Kanagawa Prefecture, and the other in Hi-gashi Osaka City, Osaka Prefecture.
Increased capital to 60,000,000yen. |
1964
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Authorized by JIS to manufacture insulation expanded polystyrene products and oil-seals at the Okayama Plant. |
1966
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Started manufacturing crowns (bottle caps) and urethane foam at the Chigasaki Plant. |
1967
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Authorized by JIS to manufacture expan-ded polystyrene foam at the Chigasaki Plant.
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1968
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Increased capital to „90,000,000.
Developed and started manufacturing PVC compound "PLAS SOL" at the Okayama Plant.
Built Kyushu Plant of Toyo Cork Manufactur-ing Corp. in Fukuoka City, Fukuoka Prefec-ture.
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1969
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Started exporting bearing seals.
Began technical tie-up with C.P.C Company in the U.S.A.
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