Umewaka Nakatani

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Iwakuni, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing modified molded polymer article
- Patent number 5,069,943
- Issue date Dec 3, 1991
- Hercules Incorporated
- Shigeyoshi Hara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing modified molded polymer articles
- Patent number 5,061,521
- Issue date Oct 29, 1991
- Hercules Incorporated
- Zen-ichiro Endo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing modified molded polymer article
- Patent number 5,045,362
- Issue date Sep 3, 1991
- Hercules Incorporated
- Shigeyoshi Hara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing a colored molded article of metathesis polyme...
- Patent number 4,918,138
- Issue date Apr 17, 1990
- Hercules Incorporated
- Shigeyoshi Hara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL