Keiko Tawa

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Ikeda-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical power limiting material
- Patent number 6,738,203
- Issue date May 18, 2004
- Secretary, Agency of Industrial Science and Technology
- Masanori Ando
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical power limiting material
- Publication number 20030142397
- Publication date Jul 31, 2003
- Masanori Ando
- G02 - OPTICS
Information Patent Application
Optical power limiting material
- Publication number 20020024752
- Publication date Feb 28, 2002
- Masanori Ando
- G02 - OPTICS