Hirokazu Ishii

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Kamakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hand-writable polymer dispersed liquid crystal board set with high...
- Patent number 5,594,562
- Issue date Jan 14, 1997
- Kabushiki Kaisha Pilot
- Morio Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hand-writable polymer dispersed liquid crystal board set with high...
- Patent number 5,351,143
- Issue date Sep 27, 1994
- Kabushiki Kaisha Pilot
- Morio Sato
- G06 - COMPUTING CALCULATING COUNTING