Masaki Yoshizawa

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Sano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Retroreflective sheeting
- Patent number 6,110,574
- Issue date Aug 29, 2000
- Nippin Carribe Kogyo Kabushiki Kaisha
- Katsura Ochi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method for producing retroreflective sheeting using a coupling agent
- Patent number 5,824,390
- Issue date Oct 20, 1998
- Nippon Carbide Kogyo Kabushiki Kaisha
- Katsura Ochi
- G02 - OPTICS
Information Patent Grant
Method for making retroreflective sheeting
- Patent number 5,812,316
- Issue date Sep 22, 1998
- Nippon Carbide Kogyo Kabushiki Kaisha
- Katsura Ochi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Retroreflective sheeting
- Patent number 5,601,915
- Issue date Feb 11, 1997
- Nippon Carbide Kogyo Kabushiki Kaisha
- Katsura Ochi
- G02 - OPTICS