Tomiei Kuwa

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Osaka-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oblique projection optical system
- Patent number 7,670,008
- Issue date Mar 2, 2010
- Konica Minolta Opto, Inc.
- Tomiei Kuwa
- G02 - OPTICS
Information Patent Grant
Image projection apparatus
- Patent number 7,434,944
- Issue date Oct 14, 2008
- Konica Minolta Opto, Inc.
- Yasumasa Sawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection optical system
- Patent number 7,411,737
- Issue date Aug 12, 2008
- Konica Minolta Opto, Inc.
- Masayuki Imaoka
- G02 - OPTICS
Information Patent Grant
Projection optical system
- Patent number 7,239,452
- Issue date Jul 3, 2007
- Konica Minolta Opto, Inc.
- Tomiei Kuwa
- G02 - OPTICS
Information Patent Grant
Tilt projection optical system
- Patent number 6,690,517
- Issue date Feb 10, 2004
- Minolta Co., Ltd.
- Soh Ohzawa
- G02 - OPTICS
Information Patent Grant
Projection optical system
- Patent number 6,624,952
- Issue date Sep 23, 2003
- Minolta Co., Ltd.
- Tomiei Kuwa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION OPTICAL SYSTEM
- Publication number 20080273177
- Publication date Nov 6, 2008
- Konica Minolta Opto, Inc.
- Masayuki IMAOKA
- G02 - OPTICS
Information Patent Application
Image projection apparatus
- Publication number 20060192902
- Publication date Aug 31, 2006
- Yasumasa Sawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Projection optical system
- Publication number 20060152822
- Publication date Jul 13, 2006
- Masayuki Imaoka
- G02 - OPTICS
Information Patent Application
Projection optical system
- Publication number 20030137744
- Publication date Jul 24, 2003
- MINOLTA CO., LTD.
- Tomiei Kuwa
- G02 - OPTICS
Information Patent Application
Tilt projection optical system
- Publication number 20020071186
- Publication date Jun 13, 2002
- MINOLTA CO.,LTD.
- Soh Ohzawa
- G02 - OPTICS