Yasumasa Akimoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plasma display panel, manufacturing method and manufacturing appara...
- Patent number 6,632,116
- Issue date Oct 14, 2003
- Toppan Printing Co., Ltd.
- Eizaburo Watanabe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Color liquid crystal display system with spacer-adhesive and separa...
- Patent number 5,089,905
- Issue date Feb 18, 1992
- Toppan Printing Co., Ltd.
- Jun Sasaki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Plasma display panel, manufacturing method and manufacturing appara...
- Publication number 20040070342
- Publication date Apr 15, 2004
- Toppan Printing Co., Ltd.
- Eizaburo Watanabe
- G02 - OPTICS
Information Patent Application
Plasma display panel, manufacturing method and manufacturing appara...
- Publication number 20020017864
- Publication date Feb 14, 2002
- Toppan Printing Co., Ltd.
- Eizaburo Watanabe
- C03 - GLASS MINERAL OR SLAG WOOL