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Patent applications and USPTO patent grants for lDEMITSU KOSAN CO., LTD..The latest application filed is for "crimped fiber and nonwoven fabric".
Patent | Date |
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Crimped Fiber And Nonwoven Fabric App 20200216991 - KOORI; Yohei ;   et al. | 2020-07-09 |
Lubricating Oil Composition For Engine Made Of Aluminum Alloy And Lubrication Method App 20150072907 - Iwasaki; Junya ;   et al. | 2015-03-12 |
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