Sigeru Asai

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Ohimachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber for transmission
- Patent number 4,274,709
- Issue date Jun 23, 1981
- Daicel Ltd.
- Sigeru Asai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Hot-melt adhesive composition and process employing same
- Patent number 4,141,774
- Issue date Feb 27, 1979
- Daicel Ltd.
- Ken Ando
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...