Kazufumi Ishibashi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cross dichroic prism, method of making the same, and full-color pro...
- Patent number 6,407,868
- Issue date Jun 18, 2002
- Nikon Corporation
- Kazufumi Ishibashi
- G02 - OPTICS
Information Patent Grant
Cross dichroic prism, method of making the same, and full-color pro...
- Patent number 6,101,041
- Issue date Aug 8, 2000
- Nikon Corporation
- Kazufumi Ishibashi
- G02 - OPTICS
Information Patent Grant
Projection type display apparatus
- Patent number 6,062,694
- Issue date May 16, 2000
- Nikon Corporation
- Yoshiro Oikawa
- G02 - OPTICS
Information Patent Grant
Color composing optical system
- Patent number 5,946,056
- Issue date Aug 31, 1999
- Nikon Corporation
- Kazufumi Ishibashi
- G02 - OPTICS