Fujiko Koyama

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image projection display apparatus
- Patent number 6,398,365
- Issue date Jun 4, 2002
- Victor Company of Japan, Limited
- Ryusaku Takahashi
- G02 - OPTICS
Information Patent Grant
Projection-type display apparatus having polarized beam splitters a...
- Patent number 6,174,060
- Issue date Jan 16, 2001
- Victor Company of Japan, Ltd.
- Hirofumi Imaoka
- G02 - OPTICS
Information Patent Grant
Structure of spatial light modulator and lighting system therefor
- Patent number 6,049,410
- Issue date Apr 11, 2000
- Victor Company of Japan, Ltd.
- Shintaro Nakagaki
- G02 - OPTICS
Information Patent Grant
Color image display apparatus with reflection mirrors simultaneousl...
- Patent number 5,486,878
- Issue date Jan 23, 1996
- Victor Company of Japan, Ltd.
- Ichiro Negishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE