Kenji Shimizu

Person

Chiba-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing magnetic recording medium, magnetic record...
- Patent number 9,959,895
- Issue date May 1, 2018
- Showa Denko K.K.
- Ken Inoue
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium and magnetic recording and reproducing de...
- Patent number 8,309,238
- Issue date Nov 13, 2012
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording and reproducing de...
- Patent number 8,088,504
- Issue date Jan 3, 2012
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording and reproducing de...
- Patent number 7,976,965
- Issue date Jul 12, 2011
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium, manufacturing method there...
- Patent number 7,901,803
- Issue date Mar 8, 2011
- Showa Denko K.K.
- Tomoyuki Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, method for producing thereof, and magnet...
- Patent number 7,867,638
- Issue date Jan 11, 2011
- Showa Denko K.K.
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, manufacturing method for the magnetic re...
- Patent number 7,781,081
- Issue date Aug 24, 2010
- Showa Denko K.K.
- Tomoyuki Maeda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Substrate for magnetic recording medium, magnetic recording medium,...
- Patent number 7,727,645
- Issue date Jun 1, 2010
- Showa Denko K.K.
- Masato Fukushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic recording/repr...
- Patent number 7,601,445
- Issue date Oct 13, 2009
- Showa Denko K.K.
- Takeshi Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, production process thereof, and magnetic...
- Patent number 7,470,474
- Issue date Dec 30, 2008
- Kabushiki Kaisha Toshiba
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium, method for manufacturing t...
- Patent number 7,289,298
- Issue date Oct 30, 2007
- Kabushiki Kaisha Toshiba
- Tomoyuki Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and magnetic recording/reproducing apparatus
- Patent number 7,252,896
- Issue date Aug 7, 2007
- Kabushiki Kaisha Toshiba
- Futoshi Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium including a high-magnetostriction layer a...
- Patent number 7,166,376
- Issue date Jan 23, 2007
- Showa Denko K.K.
- Takashi Hikosaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium utilizing a multi-layered soft magnetic u...
- Patent number 7,166,375
- Issue date Jan 23, 2007
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic recording/repr...
- Patent number 7,141,316
- Issue date Nov 28, 2006
- Kabushiki Kaisha Toshiba
- Takeshi Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, method of manufacturing the same, and ma...
- Patent number 7,141,315
- Issue date Nov 28, 2006
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, method of manufacture therefor, and magn...
- Patent number 7,138,194
- Issue date Nov 21, 2006
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic recording/repr...
- Patent number 7,132,176
- Issue date Nov 7, 2006
- Kabushiki Kaisha Toshiba
- Takeshi Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording apparatus
- Patent number 7,106,539
- Issue date Sep 12, 2006
- Showa Denko K.K.
- Yuka Aoyagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic recording/repr...
- Patent number 7,105,239
- Issue date Sep 12, 2006
- Kabushiki Kaisha Toshiba
- Soichi Oikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, method of manufacturing the same, and ma...
- Patent number 7,083,870
- Issue date Aug 1, 2006
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, method manufacture therefor, and apparat...
- Patent number 7,056,606
- Issue date Jun 6, 2006
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, method of manufacture thereof, and magne...
- Patent number 7,033,684
- Issue date Apr 25, 2006
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic recording/repr...
- Patent number 6,942,936
- Issue date Sep 13, 2005
- Kabushiki Kaisha Toshiba
- Soichi Oikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and magnetic recording appa...
- Patent number 6,902,835
- Issue date Jun 7, 2005
- Kabushiki Kaisha Toshiba
- Takashi Hikosaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, including an HCP structured Ni-alloy con...
- Patent number 6,884,519
- Issue date Apr 26, 2005
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, production process thereof, and magnetic...
- Patent number 6,818,331
- Issue date Nov 16, 2004
- Showa Denko Kabushiki Kaisha
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and perpendicular magnetic...
- Patent number 6,805,981
- Issue date Oct 19, 2004
- Kabushiki Kaisha Toshiba
- Hideo Ogiwara
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, method of manufacture therefor, and magn...
- Patent number 6,723,458
- Issue date Apr 20, 2004
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, method of manufacture therefor, and appa...
- Patent number 6,699,600
- Issue date Mar 2, 2004
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM, MAGNETIC RECORD...
- Publication number 20150036243
- Publication date Feb 5, 2015
- SHOWA DENKO K.K.
- Ken INOUE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...
- Publication number 20100046116
- Publication date Feb 25, 2010
- SHOWA DENKO K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...
- Publication number 20090296276
- Publication date Dec 3, 2009
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
SUBSTRATE FOR MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING MEDIUM,...
- Publication number 20090226767
- Publication date Sep 10, 2009
- Masato Fukushima
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, PRODUCTION PROCESS THEREOF, AND MAGNETIC...
- Publication number 20090142625
- Publication date Jun 4, 2009
- SHOWA DENKO K.K.
- Masato Fukushima
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, METHOD FOR PRODUCING THEREOF, AND MAGNET...
- Publication number 20090141399
- Publication date Jun 4, 2009
- SHOWA DENKO K.K.
- Akira SAKAWAKI
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Recording Medium, Production Process Thereof, and Magnetic...
- Publication number 20090130346
- Publication date May 21, 2009
- Showa Denko K.K.
- Hiroshi Osawa
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...
- Publication number 20090035606
- Publication date Feb 5, 2009
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Recording Medium, Production Method Thereof, and Magnetic...
- Publication number 20080193800
- Publication date Aug 14, 2008
- SHOWA DENKO K.K.
- Hiroshi Osawa
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium, production process thereof...
- Publication number 20080084632
- Publication date Apr 10, 2008
- SHOWA DENKO K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Recording Medium, Method For Production Thereof And Magnet...
- Publication number 20080062575
- Publication date Mar 13, 2008
- SHOWA DENKO K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Recording Medium, Method Of Manufacturing Therefor, And Ma...
- Publication number 20080057348
- Publication date Mar 6, 2008
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular Magnetic Recording Medium Using Soft Magnetic Layer W...
- Publication number 20070217067
- Publication date Sep 20, 2007
- KABUSHIKI KAISHA TOSHIBA and SHOWA DENKO K.K.
- Futoshi Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium, manufacturing method for the magnetic re...
- Publication number 20070148500
- Publication date Jun 28, 2007
- Tomoyuki Maeda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Magnetic recording medium, method of producing the same and magneti...
- Publication number 20070111035
- Publication date May 17, 2007
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium using grain isolation type film as under...
- Publication number 20070072012
- Publication date Mar 29, 2007
- Futoshi Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium, manufacturing method there...
- Publication number 20070065955
- Publication date Mar 22, 2007
- Kabushiki Kaisha Toshiba
- Tomoyuki Maeda
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and magnetic recording/repr...
- Publication number 20070042227
- Publication date Feb 22, 2007
- Takeshi Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium, method for producing thereof, and magnet...
- Publication number 20060204791
- Publication date Sep 14, 2006
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording apparatus
- Publication number 20060001996
- Publication date Jan 5, 2006
- Kabushiki Kaisha Toshiba
- Yuka Aoyagi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium, production process thereof, and magnetic...
- Publication number 20050037140
- Publication date Feb 17, 2005
- Showa Denko K.K.
- Akira Sakawaki
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium, method for manufacturing t...
- Publication number 20040229083
- Publication date Nov 18, 2004
- Kabushiki Kaisha Toshiba
- Tomoyuki Maeda
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and magnetic recording/reproducing apparatus
- Publication number 20040224185
- Publication date Nov 11, 2004
- Kabushiki Kaisha Toshiba
- Futoshi Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and magnetic recording/reproducing apparatus
- Publication number 20040224184
- Publication date Nov 11, 2004
- Kabushiki Kaisha Toshiba
- Takashi Hikosaka
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and magnetic recording/repr...
- Publication number 20040219329
- Publication date Nov 4, 2004
- Kabushiki Kaisha Toshiba
- Soichi Oikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and magnetic recording/repr...
- Publication number 20040191466
- Publication date Sep 30, 2004
- Kabushiki Kaisha Toshiba
- Takeshi Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium, method manufacture therefor, and apparat...
- Publication number 20040191576
- Publication date Sep 30, 2004
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium and magnetic recording/repr...
- Publication number 20040137277
- Publication date Jul 15, 2004
- Kabushiki Kaisha Toshiba
- Takeshi Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium, manufacturing method there...
- Publication number 20040106010
- Publication date Jun 3, 2004
- Kabushiki Kaisha Toshiba
- Takeshi Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium, method of manufacturing the same, and ma...
- Publication number 20040057157
- Publication date Mar 25, 2004
- Showa Denko K.K.
- Kenji Shimizu
- G11 - INFORMATION STORAGE

Kenji Shimizu

Person

Patents Grantslast 30 patents

Method for manufacturing magnetic recording medium, magnetic record...

Magnetic recording medium and magnetic recording and reproducing de...

Magnetic recording medium and magnetic recording and reproducing de...

Magnetic recording medium and magnetic recording and reproducing de...

Perpendicular magnetic recording medium, manufacturing method there...

Magnetic recording medium, method for producing thereof, and magnet...

Magnetic recording medium, manufacturing method for the magnetic re...

Substrate for magnetic recording medium, magnetic recording medium,...

Perpendicular magnetic recording medium and magnetic recording/repr...

Magnetic recording medium, production process thereof, and magnetic...

Perpendicular magnetic recording medium, method for manufacturing t...

Magnetic recording medium and magnetic recording/reproducing apparatus

Magnetic recording medium including a high-magnetostriction layer a...

Magnetic recording medium utilizing a multi-layered soft magnetic u...

Perpendicular magnetic recording medium and magnetic recording/repr...

Magnetic recording medium, method of manufacturing the same, and ma...

Magnetic recording medium, method of manufacture therefor, and magn...

Perpendicular magnetic recording medium and magnetic recording/repr...

Perpendicular magnetic recording apparatus

Perpendicular magnetic recording medium and magnetic recording/repr...

Magnetic recording medium, method of manufacturing the same, and ma...

Magnetic recording medium, method manufacture therefor, and apparat...

Magnetic recording medium, method of manufacture thereof, and magne...

Perpendicular magnetic recording medium and magnetic recording/repr...

Perpendicular magnetic recording medium and magnetic recording appa...

Magnetic recording medium, including an HCP structured Ni-alloy con...

Magnetic recording medium, production process thereof, and magnetic...

Perpendicular magnetic recording medium and perpendicular magnetic...

Magnetic recording medium, method of manufacture therefor, and magn...

Magnetic recording medium, method of manufacture therefor, and appa...

Patents Applicationslast 30 patents

METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM, MAGNETIC RECORD...

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...

SUBSTRATE FOR MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING MEDIUM,...

MAGNETIC RECORDING MEDIUM, PRODUCTION PROCESS THEREOF, AND MAGNETIC...

MAGNETIC RECORDING MEDIUM, METHOD FOR PRODUCING THEREOF, AND MAGNET...

Magnetic Recording Medium, Production Process Thereof, and Magnetic...

MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING DE...

Magnetic Recording Medium, Production Method Thereof, and Magnetic...

Perpendicular magnetic recording medium, production process thereof...

Magnetic Recording Medium, Method For Production Thereof And Magnet...

Magnetic Recording Medium, Method Of Manufacturing Therefor, And Ma...

Perpendicular Magnetic Recording Medium Using Soft Magnetic Layer W...

Magnetic recording medium, manufacturing method for the magnetic re...

Magnetic recording medium, method of producing the same and magneti...

Magnetic recording medium using grain isolation type film as under...

Perpendicular magnetic recording medium, manufacturing method there...

Perpendicular magnetic recording medium and magnetic recording/repr...

Magnetic recording medium, method for producing thereof, and magnet...

Perpendicular magnetic recording apparatus

Magnetic recording medium, production process thereof, and magnetic...

Perpendicular magnetic recording medium, method for manufacturing t...

Magnetic recording medium and magnetic recording/reproducing apparatus

Magnetic recording medium and magnetic recording/reproducing apparatus

Perpendicular magnetic recording medium and magnetic recording/repr...

Perpendicular magnetic recording medium and magnetic recording/repr...

Magnetic recording medium, method manufacture therefor, and apparat...

Perpendicular magnetic recording medium and magnetic recording/repr...

Perpendicular magnetic recording medium, manufacturing method there...

Magnetic recording medium, method of manufacturing the same, and ma...