Inventor
SHIRASU MASAHIDE
JP3 patents
Patents
3 patentsUS7210795B2May 1, 2007
Light quantity adjusting device and projector apparatus using the same
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US5956067ASep 21, 1999
Thermal transfer printing device and method
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US7287864B2Oct 30, 2007
Light amount adjusting device and projector using the same
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