Inventor
HAKOZAKI AKIRA
JP3 patents
Patents
3 patentsUS7287864B2Oct 30, 2007
Light amount adjusting device and projector using the same
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US7685698B2Mar 30, 2010
Manufacturing method of magnet rotor
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US7960876B2Jun 14, 2011
Magnet rotor, electromagnetic drive device and light quantity adjustment device using the magnet rotor
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