Hiroyuki Katayama

Person

Yamatokoriyama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Regenerator method for manufacturing regenerator, system for manufa...
- Patent number 7,383,687
- Issue date Jun 10, 2008
- Sharp Kabushiki Kaisha
- Hiroyuki Katayama
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Magnetic signal recording method and magnetic recording-reproductio...
- Patent number 6,947,236
- Issue date Sep 20, 2005
- Sharp Kabushiki Kaisha
- Masaki Hamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
LED lamp configured to minimize image contrast
- Patent number 6,939,188
- Issue date Sep 6, 2005
- Sharp Kabushiki Kaisha
- Hiroyuki Katayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Magnetic recording medium and method of recording
- Patent number 6,882,617
- Issue date Apr 19, 2005
- Sharp Kabushiki Kaisha
- Hiroyuki Katayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Information write/read head including an optical slit having a ligh...
- Patent number 6,876,603
- Issue date Apr 5, 2005
- Sharp Kabushiki Kaisha
- Hiroshi Fuji
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical sample and method of writing and reading information on the...
- Patent number 6,819,648
- Issue date Nov 16, 2004
- Agency of Industrial Science & Technology
- Junji Tominaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording and reproducing device and tracking servo sys...
- Patent number 6,816,334
- Issue date Nov 9, 2004
- Sharp Kabushiki Kaisha
- Kosuke Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording apparatus using same
- Patent number 6,804,822
- Issue date Oct 12, 2004
- Sharp Kabushiki Kaisha
- Junichi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and optical recording and reproduction app...
- Patent number 6,741,549
- Issue date May 25, 2004
- Sharp Kabushiki Kaisha
- Junji Tominaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Composite magnetic head device
- Patent number 6,721,237
- Issue date Apr 13, 2004
- Sharp Kabushiki Kaisha
- Kunio Kojima
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head and magnetic recording device
- Patent number 6,687,195
- Issue date Feb 3, 2004
- Sharp Kabushiki Kaisha
- Shintaro Miyanishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and reproducing method therefor
- Patent number 6,667,146
- Issue date Dec 23, 2003
- Sharp Kabushiki Kaisha
- Yasushi Ogimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical reproducing and recording method, recording medium, and opt...
- Patent number 6,661,745
- Issue date Dec 9, 2003
- Agency of Industrial Science & Technology
- Junji Tominaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic storage medium and heat assisted recording and reproductio...
- Patent number 6,603,619
- Issue date Aug 5, 2003
- Sharp Kabushiki Kaisha
- Kunio Kojima
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermomagnetic recording medium, thermomagnetic recording and repro...
- Patent number 6,593,014
- Issue date Jul 15, 2003
- Sharp Kabushiki Kaisha
- Yasushi Ogimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 6,500,530
- Issue date Dec 31, 2002
- Sharp Kabushiki Kaisha
- Shinzo Sawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic reproducing method
- Patent number 6,483,653
- Issue date Nov 19, 2002
- Sharp Kabushiki Kaisha
- Hiroyuki Katayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording and reproducing device capable of suppres...
- Patent number 6,400,654
- Issue date Jun 4, 2002
- Sharp Kabushiki Kaisha
- Shinzo Sawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally assisted magnetic recording medium
- Patent number 6,367,924
- Issue date Apr 9, 2002
- Sharp Kabushiki Kaisha
- Junichi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic signal reproducing device, magnetic signal reproducing met...
- Patent number 6,333,827
- Issue date Dec 25, 2001
- Sharp Kabushiki Kaisha
- Masaki Hamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recorder/reproduction apparatus including a selective temp...
- Patent number 6,327,227
- Issue date Dec 4, 2001
- Sharp Kabushiki Kaisha
- Hiroyuki Katayama
- G11 - INFORMATION STORAGE
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
Optical probe element, and a recording and reproduction device usin...
- Patent number 5,982,409
- Issue date Nov 9, 1999
- Sharp Kabushiki Kaisha
- Junji Hirokane
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method and apparatus for reproducing data from a magneto-optical re...
- Patent number 5,962,126
- Issue date Oct 5, 1999
- Sharp Kabushiki Kaisha
- Michinobu Mieda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium, method of recording and reproduci...
- Patent number 5,932,364
- Issue date Aug 3, 1999
- Sharp Kabushiki Kaisha
- Junji Hirokane
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 5,863,649
- Issue date Jan 26, 1999
- Sharp Kabushiki Kaisha
- Junji Hirokane
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing an optical probe element
- Patent number 5,767,891
- Issue date Jun 16, 1998
- Sharp Kabushiki Kaisha
- Junji Hirokane
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magneto-optic memory device
- Patent number 5,738,765
- Issue date Apr 14, 1998
- Sharp Kabushiki Kaisha
- Kenji Ohta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magneto-optical recording medium cartridge which employs magnets
- Patent number 5,719,831
- Issue date Feb 17, 1998
- Sharp Kabushiki Kaisha
- Junichiro Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic memory device
- Patent number 5,714,251
- Issue date Feb 3, 1998
- Sharp Kabushiki Kaisha
- Kenji Ohta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Regenerator method for manufacturing regenerator, system for manufa...
- Publication number 20060048521
- Publication date Mar 9, 2006
- Hiroyuki Katayama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
LED lamp and LED lamp manufacturing method
- Publication number 20030025450
- Publication date Feb 6, 2003
- Hiroyuki Katayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Magnetic recording medium and magnetic recording apparatus using same
- Publication number 20020186506
- Publication date Dec 12, 2002
- Sharp Kabushiki Kaisha
- Junichi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Light emitting device, magnetic recording head, and magnetic record...
- Publication number 20020075763
- Publication date Jun 20, 2002
- Shintaro Miyanishi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium and optical recording and reproduction app...
- Publication number 20020067690
- Publication date Jun 6, 2002
- Junji Tominaga
- B82 - NANO-TECHNOLOGY
Information Patent Application
Magnetic signal recording method and magnetic recording-reproductio...
- Publication number 20020018312
- Publication date Feb 14, 2002
- Masaki Hamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Information write/read head, information writing/reading device, tr...
- Publication number 20020003752
- Publication date Jan 10, 2002
- Hiroshi Fuji
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording and reproducing device and tracking servo sys...
- Publication number 20010055176
- Publication date Dec 27, 2001
- Kosuke Watanabe
- G11 - INFORMATION STORAGE
Information Patent Application
Composite magnetic head device, information recording device reprod...
- Publication number 20010021076
- Publication date Sep 13, 2001
- Kunio Kojima
- G11 - INFORMATION STORAGE

Hiroyuki Katayama

Person

Patents Grantslast 30 patents

Regenerator method for manufacturing regenerator, system for manufa...

Magnetic signal recording method and magnetic recording-reproductio...

LED lamp configured to minimize image contrast

Magnetic recording medium and method of recording

Information write/read head including an optical slit having a ligh...

Optical sample and method of writing and reading information on the...

Information recording and reproducing device and tracking servo sys...

Magnetic recording medium and magnetic recording apparatus using same

Optical recording medium and optical recording and reproduction app...

Composite magnetic head device

Magnetic recording head and magnetic recording device

Optical recording medium and reproducing method therefor

Optical reproducing and recording method, recording medium, and opt...

Magnetic storage medium and heat assisted recording and reproductio...

Thermomagnetic recording medium, thermomagnetic recording and repro...

Magnetic recording medium

Magnetic recording medium and magnetic reproducing method

Magneto-optical recording and reproducing device capable of suppres...

Thermally assisted magnetic recording medium

Magnetic signal reproducing device, magnetic signal reproducing met...

Magnetic recorder/reproduction apparatus including a selective temp...

Optical recording medium and manufacturing method thereof

Optical probe element, and a recording and reproduction device usin...

Method and apparatus for reproducing data from a magneto-optical re...

Magneto-optical recording medium, method of recording and reproduci...

Magneto-optical recording medium

Method of manufacturing an optical probe element

Magneto-optic memory device

Magneto-optical recording medium cartridge which employs magnets

Magneto-optic memory device

Patents Applicationslast 30 patents

Regenerator method for manufacturing regenerator, system for manufa...

LED lamp and LED lamp manufacturing method

Magnetic recording medium and magnetic recording apparatus using same

Light emitting device, magnetic recording head, and magnetic record...

Optical recording medium and optical recording and reproduction app...

Magnetic signal recording method and magnetic recording-reproductio...

Information write/read head, information writing/reading device, tr...

Information recording and reproducing device and tracking servo sys...

Composite magnetic head device, information recording device reprod...