Yoshikazu Hirai

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for staining corneocytes, method for preparing corneocytes s...
- Patent number 7,425,427
- Issue date Sep 16, 2008
- Pola Chemical Industries Inc.
- Yoshikazu Hirai
- G01 - MEASURING TESTING
Information Patent Grant
Method for staining corneocytes, method for preparing corneocytes s...
- Patent number 7,421,105
- Issue date Sep 2, 2008
- Pola Chemical Industries Inc.
- Yoshikazu Hirai
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Beauty information providing system
- Publication number 20060229912
- Publication date Oct 12, 2006
- Pola Chemical Industries Inc.
- Shuji Negishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for staining corneocites, method for preparing corneocites s...
- Publication number 20040224381
- Publication date Nov 11, 2004
- Yoshikazu Hirai
- G01 - MEASURING TESTING
Information Patent Application
Method for staining corneocites, method for preparing corneocites s...
- Publication number 20040214336
- Publication date Oct 28, 2004
- Yoshikazu Hirai
- G01 - MEASURING TESTING
Information Patent Application
Method for staining corneocites, method for preparing corneocites s...
- Publication number 20030087333
- Publication date May 8, 2003
- Yoshikazu Hirai
- G01 - MEASURING TESTING