Kazuo Van

Person

Nara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium and manufacturing method thereof
- Patent number 5,989,671
- Issue date Nov 23, 1999
- Sharp Kabushiki Kaisha
- Junichiro Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and a manufacturing method thereof as wel...
- Patent number 5,981,039
- Issue date Nov 9, 1999
- Sharp Kabushiki Kaisha
- Hitoshi Isono
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical memory medium with preformed pit arrangement
- Patent number 5,754,523
- Issue date May 19, 1998
- Sharp Kabushiki Kaisha
- Toshihisa Deguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and thermal recording printing device ado...
- Patent number 5,707,754
- Issue date Jan 13, 1998
- Sharp Kabushiki Kaisha
- Kazuo Van
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical memory element
- Patent number RE35629
- Issue date Oct 14, 1997
- Sharp Kabushiki Kaisha
- Yoshiteru Murakami
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Optical recording medium and manufacturing method thereof
- Patent number 5,674,583
- Issue date Oct 7, 1997
- Sharp Kabushiki Kaisha
- Junichiro Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical memory medium with predetermined guide tracks and prepits
- Patent number 5,666,345
- Issue date Sep 9, 1997
- Sharp Kabushiki Kaisha
- Akira Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical memory medium
- Patent number 5,605,779
- Issue date Feb 25, 1997
- Sharp Kabushiki Kaisha
- Masahiro Irie
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk with grooves and pits of different depths
- Patent number 5,500,850
- Issue date Mar 19, 1996
- Sharp Kabushiki Kaisha
- Kazuo Van
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording element and driving system
- Patent number 5,459,711
- Issue date Oct 17, 1995
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing photo-mask and photo-mask manufactured thereby
- Patent number 5,457,006
- Issue date Oct 10, 1995
- Sharp Kabushiki Kaisha
- Junji Hirokane
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for recording and reproducing information using an optical m...
- Patent number 5,438,561
- Issue date Aug 1, 1995
- Sharp Kabushiki Kaisha
- Kazuo Van
- G11 - INFORMATION STORAGE
Information Patent Grant
Photo-mask
- Patent number 5,403,683
- Issue date Apr 4, 1995
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical disk for use in optical memory devices
- Patent number 5,399,461
- Issue date Mar 21, 1995
- Sharp Kabushiki Kaisha
- Kazuo Van
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical memory device having an improved light reflection or optica...
- Patent number 5,338,646
- Issue date Aug 16, 1994
- Sharp Kabushiki Kaisha
- Junichiro Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording element and driving system
- Patent number 5,335,220
- Issue date Aug 2, 1994
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic memory device
- Patent number 5,305,254
- Issue date Apr 19, 1994
- Sharp Kabushiki Kaisha
- Yoshiteru Murakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Photo-mask with light shielding film buried in substrate
- Patent number 5,260,150
- Issue date Nov 9, 1993
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical recording element having a plurality of thin film filtering...
- Patent number 5,214,636
- Issue date May 25, 1993
- Sharp Kabushiki Kaisha
- Toshio Ishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical memory device
- Patent number 5,192,644
- Issue date Mar 9, 1993
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical memory device
- Patent number 5,175,079
- Issue date Dec 29, 1992
- Sharp Kabushiki Kaisha
- Kazuo Van
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical recording element and driving system
- Patent number 5,170,390
- Issue date Dec 8, 1992
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and the method of recording, reading, and...
- Patent number 5,088,086
- Issue date Feb 11, 1992
- Sharp Kabushiki Kaisha
- Kazuo Van
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing photo-mask and photo-mask manufactured thereby
- Patent number 5,087,535
- Issue date Feb 11, 1992
- Sharp Kabushiki Kaisha
- Junji Hirokane
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magneto-optical head utilizing central and peripheral portions of r...
- Patent number 5,081,614
- Issue date Jan 14, 1992
- Sharp Kabushiki Kaisha
- Akira Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Photo-mask
- Patent number 5,079,113
- Issue date Jan 7, 1992
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magneto-optical memory element
- Patent number 5,058,099
- Issue date Oct 15, 1991
- Sharp Kabushiki Kaisha
- Yoshiteru Murakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head
- Patent number 4,754,355
- Issue date Jun 28, 1988
- Sharp Kabushiki Kaisha
- Akira Takahashi
- G11 - INFORMATION STORAGE

Person

Patents Grantslast 30 patents

Optical recording medium and manufacturing method thereof

Magnetic recording medium and a manufacturing method thereof as wel...

Optical memory medium with preformed pit arrangement

Magnetic recording medium and thermal recording printing device ado...

Magneto-optical memory element

Optical recording medium and manufacturing method thereof

Optical memory medium with predetermined guide tracks and prepits

Optical memory medium

Optical disk with grooves and pits of different depths

Optical recording element and driving system

Method of manufacturing photo-mask and photo-mask manufactured thereby

Method for recording and reproducing information using an optical m...

Photo-mask

Optical disk for use in optical memory devices

Optical memory device having an improved light reflection or optica...

Optical recording element and driving system

Magneto-optic memory device

Photo-mask with light shielding film buried in substrate

Optical recording element having a plurality of thin film filtering...

Optical memory device

Optical memory device

Optical recording element and driving system

Optical recording medium and the method of recording, reading, and...

Method of manufacturing photo-mask and photo-mask manufactured thereby

Magneto-optical head utilizing central and peripheral portions of r...

Photo-mask

Magneto-optical memory element

Optical head