Takashi Kashihara

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Patents Grantslast 30 patents

Information Patent Grant
Projection lens unit
- Patent number 5,652,680
- Issue date Jul 29, 1997
- Matsushita Electric Industrial Co., Ltd.
- Takashi Kashihara
- G02 - OPTICS
Information Patent Grant
Projecting lens unit
- Patent number 5,157,554
- Issue date Oct 20, 1992
- Matsushita Electric Industrial Co., Ltd.
- Takashi Kashihara
- G02 - OPTICS