Masaki Hirokoh

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Zoom lens and video camera and electronic still camera using this
- Patent number 6,441,968
- Issue date Aug 27, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hiroaki Okayama
- G02 - OPTICS
Information Patent Grant
Porous metal material, and method for manufacturing same
- Patent number 6,197,251
- Issue date Mar 6, 2001
- Matsushita Electric Industrial Co., Ltd.
- Akira Hashimoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of producing a magnetic recording media
- Patent number 5,229,173
- Issue date Jul 20, 1993
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Suzuki
- G11 - INFORMATION STORAGE