Kiyoshi Hiramoto

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Hiroshima-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rimless eyeglasses
- Patent number 7,905,592
- Issue date Mar 15, 2011
- 21 (Two-One) Co., Ltd.
- Kiyoshi Hiramoto
- G02 - OPTICS
Information Patent Grant
Spectacle frame and lens hanger
- Patent number 7,131,726
- Issue date Nov 7, 2006
- 21 (Two-One) Co., Ltd.
- Kiyoshi Hiramoto
- G02 - OPTICS
Information Patent Grant
Eyeglass with connection structure for rimless eyeglass and screwle...
- Patent number 6,767,096
- Issue date Jul 27, 2004
- 21 (Two-One) Co., Ltd.
- Kiyoshi Hiramoto
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
RIMLESS EYEGLASSES
- Publication number 20100165285
- Publication date Jul 1, 2010
- 21 (TWO-ONE) CO., LTD.
- Kiyoshi Hiramoto
- G02 - OPTICS
Information Patent Application
Spectacle frame and lens hanger
- Publication number 20060017882
- Publication date Jan 26, 2006
- 21 (TWO-ONE) CO., LTD.
- Kiyoshi Hiramoto
- G02 - OPTICS
Information Patent Application
Eyeglass with simple connection structure and screwless hinge
- Publication number 20040012756
- Publication date Jan 22, 2004
- 21 (TWO-ONE) CO., LTD.
- Kiyoshi Hiramoto
- G02 - OPTICS