Toshio Imaizumi

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Hachioji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Zoom lens barrel with focusing path and focal length switching path
- Patent number 6,396,645
- Issue date May 28, 2002
- Konica Corporation
- Haruki Nakayama
- G02 - OPTICS
Information Patent Grant
Camera
- Patent number 6,160,670
- Issue date Dec 12, 2000
- Konica Corporation
- Haruki Nakayama
- G02 - OPTICS
Information Patent Grant
Zoom lens barrel
- Patent number 6,028,718
- Issue date Feb 22, 2000
- Konica Corporation
- Haruki Nakayama
- G02 - OPTICS
Information Patent Grant
Zoom lens barrel including a mechanism for moving lens groups
- Patent number 5,748,386
- Issue date May 5, 1998
- Konica Corporation
- Haruki Nakayama
- G02 - OPTICS
Information Patent Grant
Zoom lens barrel
- Patent number 5,668,670
- Issue date Sep 16, 1997
- Konica Corporation
- Haruki Nakayama
- G02 - OPTICS