Osamu Nakagawa

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing low temperature fired ceramics
- Patent number 4,726,921
- Issue date Feb 23, 1988
- Narumi China Corporation
- Susumu Nishigaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Polymer-metal complexes containing quaternary nitrogen atoms used i...
- Patent number 4,528,184
- Issue date Jul 9, 1985
- Kabushiki Kaisha Vitamin Kenkyuso
- Masayasu Kurono
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE