Ayao Matsumura

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Patents Grantslast 30 patents

Information Patent Grant
Optical forming apparatus for forming three-dimensional objects
- Patent number 5,976,448
- Issue date Nov 2, 1999
- DSM N.V.
- Yuichi Haruta
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Photo-curable resin composition and process for preparing resin-bas...
- Patent number 5,932,625
- Issue date Aug 3, 1999
- DSM N.V.
- Tsuyoshi Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photo-curable resin composition and process for preparing resin-bas...
- Patent number 5,874,041
- Issue date Feb 23, 1999
- DSM N.V.
- Ayao Matsumura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...