Masao Fujiwara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
3D object graphics display device, 3D object graphics display metho...
- Patent number 5,818,420
- Issue date Oct 6, 1998
- Nippon Hoso Kyokai
- Hideki Mitsumine
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical low pass filter
- Patent number 4,998,800
- Issue date Mar 12, 1991
- Nippon Hoso Kyokai
- Yasuaki Nishida
- G02 - OPTICS