Yoshiyuki Kageyama

Person

Numazu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 7,366,075
- Issue date Apr 29, 2008
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing a sputtering target
- Patent number 7,288,224
- Issue date Oct 30, 2007
- Ricoh Company, Ltd.
- Yukio Ide
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 7,102,977
- Issue date Sep 5, 2006
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method and optical recording medium therefor
- Patent number 7,068,591
- Issue date Jun 27, 2006
- Ricoh Company, Ltd.
- Hiroko Ohkura
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method and optical recording medium therefor
- Patent number 6,963,527
- Issue date Nov 8, 2005
- Ricoh Company, Ltd.
- Hiroko Ohkura
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 6,884,488
- Issue date Apr 26, 2005
- Ricoh Company, Limited
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical information recording medium
- Patent number 6,790,592
- Issue date Sep 14, 2004
- Ricoh Company, Ltd.
- Makoto Harigaya
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 6,777,057
- Issue date Aug 17, 2004
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and recording method
- Patent number 6,770,346
- Issue date Aug 3, 2004
- Ricoh Company, Ltd.
- Makoto Harigaya
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing a sputtering target
- Patent number 6,652,806
- Issue date Nov 25, 2003
- Ricoh Company, Ltd.
- Yukio Ide
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 6,548,137
- Issue date Apr 15, 2003
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Sputtering target, method of producing the target, optical recordin...
- Patent number 6,503,592
- Issue date Jan 7, 2003
- Ricoh Company, Ltd.
- Katsuyuki Yamada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Sputtering target, method of producing the target, optical recordin...
- Patent number 6,319,368
- Issue date Nov 20, 2001
- Ricoh Company, Ltd.
- Yukio Ide
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sputtering target, method of producing the target, optical recordin...
- Patent number 6,280,684
- Issue date Aug 28, 2001
- Ricoh Company, Ltd.
- Katsuyuki Yamada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Optical information recording medium
- Patent number 6,221,557
- Issue date Apr 24, 2001
- Ricoh Company, Ltd.
- Makoto Harigaya
- G11 - INFORMATION STORAGE
Information Patent Grant
Sputtering target, method of producing the target, optical recordin...
- Patent number 6,127,016
- Issue date Oct 3, 2000
- Ricoh Company, Ltd.
- Katsuyuki Yamada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Phase-change optical recording medium
- Patent number 6,096,398
- Issue date Aug 1, 2000
- Ricoh Company, Ltd.
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium and recording method by use of...
- Patent number 5,916,730
- Issue date Jun 29, 1999
- Ricoh Company, Ltd.
- Yukio Ide
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat treated and sintered sputtering target
- Patent number 5,882,493
- Issue date Mar 16, 1999
- Ricoh Company, Ltd.
- Hiroko Iwasaki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and device for initializing optical recording medium of phas...
- Patent number 5,875,160
- Issue date Feb 23, 1999
- Ricoh Company, Ltd.
- Makoto Harigaya
- G11 - INFORMATION STORAGE
Information Patent Grant
Sputtering target for producing optical recording medium
- Patent number 5,785,828
- Issue date Jul 28, 1998
- Ricoh Company, Ltd.
- Katsuyuki Yamada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Phase-change optical recording method using pulse width modulation...
- Patent number 5,761,179
- Issue date Jun 2, 1998
- Ricoh Company, Limited
- Hiroko Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change type optical recording and reproducing method
- Patent number 5,740,149
- Issue date Apr 14, 1998
- Ricoh Company, Limited
- Hiroko Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Sputtering target
- Patent number 5,736,657
- Issue date Apr 7, 1998
- Ricoh Company, Ltd.
- Yukio Ide
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Recording and simultaneous verifying method of phase-changing type...
- Patent number 5,646,924
- Issue date Jul 8, 1997
- Ricoh Company, Ltd.
- Osamu Nonoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Light reflecting and heat dissipating material and optical informat...
- Patent number 5,620,767
- Issue date Apr 15, 1997
- Ricoh Company, Ltd.
- Makoto Harigaya
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Phase-change type information recording medium
- Patent number 5,298,305
- Issue date Mar 29, 1994
- Ricoh Company, Ltd.
- Michiaki Shinozuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film electroluminescent element
- Patent number 5,142,192
- Issue date Aug 25, 1992
- Ricoh Company, Ltd.
- Masaetsu Takahashi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optical information recording medium
- Patent number 5,095,479
- Issue date Mar 10, 1992
- Ricoh Company, Ltd.
- Makoto Harigaya
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film electroluminescence device
- Patent number 4,975,338
- Issue date Dec 4, 1990
- Ricoh Company, Ltd.
- Yoshiyuki Kageyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20060256706
- Publication date Nov 16, 2006
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording method and optical recording medium therefor
- Publication number 20050265133
- Publication date Dec 1, 2005
- Hiroko Ohkura
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20050169149
- Publication date Aug 4, 2005
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20040209036
- Publication date Oct 21, 2004
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Method of producing a sputtering target
- Publication number 20040058542
- Publication date Mar 25, 2004
- Yukio Ide
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Information recording method and optical recording medium therefor
- Publication number 20030152006
- Publication date Aug 14, 2003
- Hiroko Ohkura
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20030124298
- Publication date Jul 3, 2003
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20030031823
- Publication date Feb 13, 2003
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium and recording method
- Publication number 20030012917
- Publication date Jan 16, 2003
- Ricoh Company, Ltd.
- Makoto Harigaya
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical information recording medium
- Publication number 20020098445
- Publication date Jul 25, 2002
- Ricoh Company, Ltd.
- Makoto Harigaya
- G11 - INFORMATION STORAGE
Information Patent Application
Method of producing a sputtering target
- Publication number 20020034663
- Publication date Mar 21, 2002
- Yukio Ide
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Yoshiyuki Kageyama

Person

Patents Grantslast 30 patents

Phase-change optical recording medium and recording method and appa...

Method of producing a sputtering target

Phase-change optical recording medium and recording method and appa...

Information recording method and optical recording medium therefor

Information recording method and optical recording medium therefor

Phase-change optical recording medium and recording method and appa...

Phase-change optical information recording medium

Phase-change optical recording medium and recording method and appa...

Optical recording medium and recording method

Method of producing a sputtering target

Phase-change optical recording medium and recording method and appa...

Sputtering target, method of producing the target, optical recordin...

Sputtering target, method of producing the target, optical recordin...

Sputtering target, method of producing the target, optical recordin...

Optical information recording medium

Sputtering target, method of producing the target, optical recordin...

Phase-change optical recording medium

Optical information recording medium and recording method by use of...

Heat treated and sintered sputtering target

Method and device for initializing optical recording medium of phas...

Sputtering target for producing optical recording medium

Phase-change optical recording method using pulse width modulation...

Phase-change type optical recording and reproducing method

Sputtering target

Recording and simultaneous verifying method of phase-changing type...

Light reflecting and heat dissipating material and optical informat...

Phase-change type information recording medium

Thin film electroluminescent element

Optical information recording medium

Thin film electroluminescence device

Patents Applicationslast 30 patents

Phase-change optical recording medium and recording method and appa...

Information recording method and optical recording medium therefor

Phase-change optical recording medium and recording method and appa...

Phase-change optical recording medium and recording method and appa...

Method of producing a sputtering target

Information recording method and optical recording medium therefor

Phase-change optical recording medium and recording method and appa...

Phase-change optical recording medium and recording method and appa...

Optical recording medium and recording method

Phase-change optical information recording medium

Method of producing a sputtering target