| 1970 | Company name changed to Kuraray Co., Ltd. Established Hong Kong representative office (office functions transferred to Kuraray Hong Kong Co., Ltd. in 1998). |
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| 1971 |
Jointly established the non-woven-fabric manufacturing firm Kuraray-Chicopee Co., Ltd. (absorbed into Kuraray in 1987) together with Johnson & Johnson of the U.S. |
| 1972 |
Commercialized contact lenses: |
| 1973 | Exported ethylene method vinyl acetate and poval manufacturing plant to the PRC. |
| 1974 | Exported natural gas method poval manufacturing plant to the PRC. Commercialized wet-laid vinylon filament (Okayama). |
| 1975 | President Tsugio Okabayashi took office. |
| 1976 | Commercialized artificial organs: Began sales of KC series artificial kidneys. Commercialized new isoprene chemicals (NICs) (Nakajo). Commercialized hollow-fiber industrial filter membranes made of poval. |
| 1977 | Established Kuraray Engineering Co., Ltd. |
| 1978 |
Commercialized dental materials: |