It was year 1964 (the 39th year of Showa) when Kohjin started the production of shrink (heat shrink) films based on our original technology, "the Tubular simultaneous biaxial stretched film production method". Since then in the Yatsushiro factory as the production base, Kohjin has created versatile plastic films for packaging such as the PP shrink film with the top-share in the domestic market, biaxial stretched nylon films, shrink-stretch films, and etc. Also, we recently focused on the development and sales of the function films such as highly gas-barrier films for converting uses, waterproof moisture permeable films, and etc. We will continue to dedicate ourselves to supplying high function and quality films for various fields including the food industry, and also to develop a new film which is required by "the environmental century".
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Change our mind, Change to future, Commitment to human being.
Kohjin has supplied its original films based on its original technology, "the Tubular film production method" for many industrial fields from food package uses to industrial uses. We believe that our changes, the continuous challenge to the future, and keeping our commitment to society are important to cope with various business environmental changes in recent years and continue to further growth.
Please keep looking forward to Kohjin which will continue to create more functional plastic films. |
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| 1974 |
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Development of water cooling non-stretching PP tube films (Transparent IPP) in the Yatshiro factory. |
| 1962 |
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Cellophane production started at the Yatshiro Factory. |
| 1963 |
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Operation of IPP started at the Fuji Mill. |
| 1964 |
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Operation of Tubular simultaneous biaxial stretched single layer PP film started at the Fuji Mill. Placement of OPP film, and PP shrink, "KOHJIN POLYSET" on the market. |
| 1970 |
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Operation of Tubular simultaneous biaxial stretched single layer Nylon film started at the Fuji Mill. Placement of O-NY, "BONYL" on the market. |
| 1972 |
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Operation of T-die non-stretched single layer PP film started at the Yatshiro Factory. |
| 1974 |
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Development of water cooling non-stretching PP tube films (Transparent IPP) in the Yatshiro factory. |
| 1975 |
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Operation of K-Coater started. Placement of "BONYL-K" on the market. |
| 1980 |
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Operation of Tubular single layer L-L shrink film started. The L-L shrink film, "KOHJIN POLYSET" was placed on the market. |
| 1984 |
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Transparent anti-static(Conductive) film PE, "KOHJIN HST" was placed on the market. Operation of high-speed broad K-Coater started. Placement of "HS-KOP" on the market. |
| 1986 |
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Operation of T-die non-stretched single layer L-L SEALANT FILM, "L-ACE" started. |
| 1990 |
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Operation of T-die vertical uniaxial stretched single layer film started. Waterproof moisture permeable film, "KOHJIN TSF", PP and PET L-L vertical uniaxial shrink film, "LVS" were placed on the market. Operation of Tubular multi-layer L-L shrink stretched film started. Placement of L-L shrink stretched film, on the market. |
| 1999 |
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Operation of Tubular simultaneous biaxial stretched multi layer gas-barrier Nylon film started. Placement of "SPY" on the market. |
| 2001 |
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Operation of Tubular multi layer cross-linking L-L shrink stretched film started. Placement of "Cross-linked KOHJIN-KORAP SG21" on the market. |
| 2003 |
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Placement of non-chlorinated high gas-barrier coated film, "KOHJIN-KOHBARRIER" on the market. |
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