Hiroshi Hama

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Naruto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spiropyran compound
- Patent number 5,708,181
- Issue date Jan 13, 1998
- Otsuka Kagaku Kabushiki Kaisha
- Hiroshi Hama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerizable monomer, polymer thereof and process for preparing same
- Patent number 5,476,913
- Issue date Dec 19, 1995
- Otsuka Kagaku Kabushiki Kaisha
- Hiroki Kourai
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents

Information Patent Application
Rust preventive for magnesium and/or magnesium alloy
- Publication number 20070080319
- Publication date Apr 12, 2007
- Kazunori Fukumura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...