Takahiro Kawana

Person

Miyagi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Battery separator, method of manufacturing a battery separator, bat...
- Patent number 8,956,742
- Issue date Feb 17, 2015
- Sony Corporation
- Chak Chung Andrew Yu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Barrier film and method of manufacturing the same
- Patent number 8,828,528
- Issue date Sep 9, 2014
- Sony Corporation
- Andrew Chakchung Yu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Battery separator, method of manufacturing a battery separator, bat...
- Patent number 8,512,892
- Issue date Aug 20, 2013
- Sony Corporation
- Chak Chung Andrew Yu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Lubricant, recording medium and carboxylic acid compound
- Patent number 7,323,260
- Issue date Jan 29, 2008
- Sony Corporation
- Ken Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method for producing same
- Patent number 5,968,609
- Issue date Oct 19, 1999
- Sony Corporation
- Yukari Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method for producing same
- Patent number 5,945,219
- Issue date Aug 31, 1999
- Sony Corporation
- Yukari Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,735,848
- Issue date Apr 5, 1988
- Sony Corporation
- Hirofumi Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,696,862
- Issue date Sep 29, 1987
- Sony Corporation
- Takahiro Kawana
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,401,725
- Issue date Aug 30, 1983
- Sony Corporation
- Kazunori Ozawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
BATTERY SEPARATOR, METHOD OF MANUFACTURING A BATTERY SEPARATOR, BAT...
- Publication number 20130260184
- Publication date Oct 3, 2013
- Chak Chung Andrew Yu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY SEPARATOR, METHOD OF MANUFACTURING A BATTERY SEPARATOR, BAT...
- Publication number 20120202103
- Publication date Aug 9, 2012
- SONY CORPORATION
- Chakchung Andrew Yu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
BARRIER FILM AND METHOD OF MANUFACTURING THE SAME
- Publication number 20120107586
- Publication date May 3, 2012
- SONY CORPORATION
- Andrew Chakchung Yu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
FILM FORMING APPARATUS AND FILM FORMING METHOD
- Publication number 20110159186
- Publication date Jun 30, 2011
- SONY CORPORATION
- Andrew Chakchung Yu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Lubricant, recording medium and carboxylic acid type compound
- Publication number 20050282044
- Publication date Dec 22, 2005
- Ken Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20010003616
- Publication date Jun 14, 2001
- SEIICHI ONODERA
- G11 - INFORMATION STORAGE

Takahiro Kawana

Person

Patents Grantslast 30 patents

Battery separator, method of manufacturing a battery separator, bat...

Barrier film and method of manufacturing the same

Battery separator, method of manufacturing a battery separator, bat...

Lubricant, recording medium and carboxylic acid compound

Magnetic recording medium and method for producing same

Magnetic recording medium and method for producing same

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Patents Applicationslast 30 patents

BATTERY SEPARATOR, METHOD OF MANUFACTURING A BATTERY SEPARATOR, BAT...

BATTERY SEPARATOR, METHOD OF MANUFACTURING A BATTERY SEPARATOR, BAT...

BARRIER FILM AND METHOD OF MANUFACTURING THE SAME

FILM FORMING APPARATUS AND FILM FORMING METHOD

Lubricant, recording medium and carboxylic acid type compound

MAGNETIC RECORDING MEDIUM