Yoshihiro Hama

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for photographing moving object
- Patent number 7,656,432
- Issue date Feb 2, 2010
- Hoya Corporation
- Ryota Ogawa
- G08 - SIGNALLING
Information Patent Grant
Method and apparatus for displaying 3-D image
- Patent number 7,425,072
- Issue date Sep 16, 2008
- Hoya Corporation
- Yoshihiro Hama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multi-beam color scanning device
- Patent number 7,379,220
- Issue date May 27, 2008
- PENTAX Corporation
- Yoshihiro Hama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-beam scanning device
- Patent number 7,084,896
- Issue date Aug 1, 2006
- PENTAX Corporation
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Multi-beam scanning device
- Patent number 7,006,269
- Issue date Feb 28, 2006
- PENTAX Corporation
- Yoshihiro Hama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lens unit for multibeam scanning device
- Patent number 7,002,759
- Issue date Feb 21, 2006
- PENTAX Corporation
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Multi-beam scanning device
- Patent number 6,922,268
- Issue date Jul 26, 2005
- PENTAX Corporation
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Multibeam scanning device
- Patent number 6,885,485
- Issue date Apr 26, 2005
- PENTAX Corporation
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Scanning optical system
- Patent number 6,873,466
- Issue date Mar 29, 2005
- PENTAX Corporation
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Multi-beam scanning device
- Patent number 6,781,728
- Issue date Aug 24, 2004
- PENTAX Corporation
- Yoshihiro Hama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-beam scanning device
- Patent number 6,690,496
- Issue date Feb 10, 2004
- PENTAX Corporation
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Multi-beam scanning device
- Patent number 6,636,340
- Issue date Oct 21, 2003
- PENTAX Corporation
- Yoshihiro Hama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-beam scanning optical system
- Patent number 6,396,615
- Issue date May 28, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multi-beam scanning optical system
- Patent number 6,392,772
- Issue date May 21, 2002
- Ashai Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Multi-beam scanning optical system
- Patent number 6,392,773
- Issue date May 21, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multi-beam scanning optical system
- Patent number 6,317,245
- Issue date Nov 13, 2001
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Laser scanning optical system
- Patent number 6,084,696
- Issue date Jul 4, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Optical scanning system and method for setting curvature of field t...
- Patent number 5,825,403
- Issue date Oct 20, 1998
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Mitsunori Iima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device
- Patent number 5,712,719
- Issue date Jan 27, 1998
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Optical Scanning device
- Patent number 5,621,562
- Issue date Apr 15, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Mirror fastener for optical scanning device
- Patent number 5,592,337
- Issue date Jan 7, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Element selecting device
- Patent number 5,231,537
- Issue date Jul 27, 1993
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Element selecting device
- Patent number 5,033,821
- Issue date Jul 23, 1991
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Element selecting device and elements comprising a plurality of opt...
- Patent number 5,033,820
- Issue date Jul 23, 1991
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Manual control apparatus of zoom lens barrel for an auto focus camera
- Patent number 4,890,132
- Issue date Dec 26, 1989
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Optical system for TTL automatic focusing video camera
- Patent number 4,652,931
- Issue date Mar 24, 1987
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Sadao Okudaira
- G02 - OPTICS
Information Patent Grant
Rotation control mechanism for diaphragm-operating ring in intercha...
- Patent number 4,518,238
- Issue date May 21, 1985
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Zoom lens assembly with switching mechanism from or to zooming phot...
- Patent number 4,506,959
- Issue date Mar 26, 1985
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Grant
Stop down structure for facsimile zoom lens
- Patent number 4,487,482
- Issue date Dec 11, 1984
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takayuki Itoh
- G02 - OPTICS
Information Patent Grant
Aperture structure in zoom lens
- Patent number 4,473,278
- Issue date Sep 25, 1984
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yoshihiro Hama
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
THREE-DIMENSIONAL IMAGING DEVICE
- Publication number 20070165134
- Publication date Jul 19, 2007
- PENTAX CORPORATION
- Yoshihiro HAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for photographing moving object
- Publication number 20060221229
- Publication date Oct 5, 2006
- PENTAX CORPORATION
- Ryota Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for displaying 3-D image
- Publication number 20060109431
- Publication date May 25, 2006
- PENTAX CORPORATION
- Yoshihiro Hama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Multibeam scanning device
- Publication number 20040190098
- Publication date Sep 30, 2004
- PENTAX CORPORATION
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Application
Lens unit for multibeam scanning device
- Publication number 20040184165
- Publication date Sep 23, 2004
- PENTAX CORPORATION
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Application
Multi-beam color scanning device
- Publication number 20040184121
- Publication date Sep 23, 2004
- PENTAX CORPORATION
- Yoshihiro Hama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-beam scanning device
- Publication number 20040141220
- Publication date Jul 22, 2004
- PENTAX CORPORATION
- Yoshihiro Hama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Scanning optical system
- Publication number 20040036939
- Publication date Feb 26, 2004
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Application
Multi-beam scanning device
- Publication number 20040036937
- Publication date Feb 26, 2004
- PENTAX CORPORATION
- Yoshihiro Hama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-beam scanning device
- Publication number 20030184833
- Publication date Oct 2, 2003
- PENTAX CORPORATION
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Application
Multi-beam scanning device
- Publication number 20030142381
- Publication date Jul 31, 2003
- Yoshihiro Hama
- G02 - OPTICS
Information Patent Application
Multi-beam scanning device
- Publication number 20010026392
- Publication date Oct 4, 2001
- ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
- Yoshihiro Hama
- G02 - OPTICS

Yoshihiro Hama

Person

Patents Grantslast 30 patents

Method and apparatus for photographing moving object

Method and apparatus for displaying 3-D image

Multi-beam color scanning device

Multi-beam scanning device

Multi-beam scanning device

Lens unit for multibeam scanning device

Multi-beam scanning device

Multibeam scanning device

Scanning optical system

Multi-beam scanning device

Multi-beam scanning device

Multi-beam scanning device

Multi-beam scanning optical system

Multi-beam scanning optical system

Multi-beam scanning optical system

Multi-beam scanning optical system

Laser scanning optical system

Optical scanning system and method for setting curvature of field t...

Optical scanning device

Optical Scanning device

Mirror fastener for optical scanning device

Element selecting device

Element selecting device

Element selecting device and elements comprising a plurality of opt...

Manual control apparatus of zoom lens barrel for an auto focus camera

Optical system for TTL automatic focusing video camera

Rotation control mechanism for diaphragm-operating ring in intercha...

Zoom lens assembly with switching mechanism from or to zooming phot...

Stop down structure for facsimile zoom lens

Aperture structure in zoom lens

Patents Applicationslast 30 patents

THREE-DIMENSIONAL IMAGING DEVICE

Method and apparatus for photographing moving object

Method and apparatus for displaying 3-D image

Multibeam scanning device

Lens unit for multibeam scanning device

Multi-beam color scanning device

Multi-beam scanning device

Scanning optical system

Multi-beam scanning device

Multi-beam scanning device

Multi-beam scanning device

Multi-beam scanning device