Ai Midorikawa

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Iruma-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lens barrel
- Patent number 6,795,252
- Issue date Sep 21, 2004
- Olympus Corporation
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Lens barrel
- Patent number 6,741,404
- Issue date May 25, 2004
- Olympus Optical Co., Ltd.
- Takaaki Ue
- G02 - OPTICS
Information Patent Grant
Optical apparatus including lens
- Patent number 6,671,108
- Issue date Dec 30, 2003
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Lens barrel and method of assembling the same
- Patent number 6,570,719
- Issue date May 27, 2003
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Grant
Lens barrel
- Patent number 6,538,826
- Issue date Mar 25, 2003
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Lens barrel
- Publication number 20030002173
- Publication date Jan 2, 2003
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Application
Lens barrel
- Publication number 20020176180
- Publication date Nov 28, 2002
- Olympus Optical Co., Ltd.
- Takaaki Ue
- G02 - OPTICS
Information Patent Application
Lens barrel
- Publication number 20020171948
- Publication date Nov 21, 2002
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Application
Optical apparatus including lens
- Publication number 20020167741
- Publication date Nov 14, 2002
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS
Information Patent Application
Lens barrel and method of assembling the same
- Publication number 20020141078
- Publication date Oct 3, 2002
- Olympus Optical Co., Ltd.
- Tamotsu Koiwai
- G02 - OPTICS