containing a dopant

Industry

CPC
G11B5/70668

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B5/00Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor

Current Industry

G11B5/70668containing a dopant

Industries

Patents Grantslast 30 patents

Information Patent Grant
Spinel-type ferrimagnetic particles, process for producing the same...
- Patent number 8,133,405
- Issue date Mar 13, 2012
- Toda Kogyo Corporation
- Hiroshi Yamamoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for producing iron-containing complex oxide powders
- Patent number 5,736,111
- Issue date Apr 7, 1998
- Sumitomo Chemical Company, Limited
- Kunio Saegusa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Acicular ferromagnetic iron oxide particles and process for produci...
- Patent number 5,512,194
- Issue date Apr 30, 1996
- Ishihara Sangyo Kaisha, Ltd.
- Makoto Ogasawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Non-acicular modified high coercivity iron oxides for high density...
- Patent number 5,487,954
- Issue date Jan 30, 1996
- National Science Council
- Tsung-Shune Chin
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic coating composition and magnetic recording medium
- Patent number 5,346,758
- Issue date Sep 13, 1994
- Daikin Industries, Ltd.
- Yoshiyuki Shibuya
- G11 - INFORMATION STORAGE
Information Patent Grant
Acicular iron carbide particulate material and process for producin...
- Patent number 5,151,206
- Issue date Sep 29, 1992
- Daikin Industries, Ltd.
- Kazuo Okamura
- C30 - CRYSTAL GROWTH
Information Patent Grant
Magnetic recording medium
- Patent number 5,110,658
- Issue date May 5, 1992
- Konica Corporation
- Yasushi Nakano
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing magnetic iron oxide particles for magnetic re...
- Patent number 5,041,307
- Issue date Aug 20, 1991
- Ishihara Sangyo Kaisha, Ltd.
- Arata Koyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Acicular process for producing particulate material
- Patent number 4,842,759
- Issue date Jun 27, 1989
- Daikin Industries, Ltd.
- Kazuo Okamura
- C30 - CRYSTAL GROWTH
Information Patent Grant
Preparation of facetted nodular particles
- Patent number 4,798,622
- Issue date Jan 17, 1989
- Eastman Kodak Company
- Bernard J. Pingaud
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing acicular particles containing an iron carbide
- Patent number 4,668,414
- Issue date May 26, 1987
- Daikin Industries Ltd.
- Kazuo Okamura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic recording elements, process for making the same and their...
- Patent number 4,451,535
- Issue date May 29, 1984
- Eastman Kodak Company
- Bernard J. Pingaud
- G11 - INFORMATION STORAGE
Information Patent Grant
Coating iron oxide particles for magnetic recording
- Patent number 4,400,432
- Issue date Aug 23, 1983
- Bayer Aktiengesellschaft
- Gunter Buxbaum
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing hydrated iron oxide having silicon and phosph...
- Patent number 4,323,464
- Issue date Apr 6, 1982
- TDK Electronics Co., Ltd.
- Shinji Umeki
- G11 - INFORMATION STORAGE
Information Patent Grant
Coating iron oxide particles for magnetic recording
- Patent number 4,323,596
- Issue date Apr 6, 1982
- Bayer Aktiengesellschaft
- Gunter Buxbaum
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making powdered magnetic iron oxide material
- Patent number 4,067,755
- Issue date Jan 10, 1978
- TDK Electronics Company, Ltd.
- Shinji Umeki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic particle powder of acicular ferric oxide used for magnetic...
- Patent number 4,033,891
- Issue date Jul 5, 1977
- Toda Kogyo Corporation
- Goro Matsui
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process of producing ferromagnetic materials
- Patent number 4,016,057
- Issue date Apr 5, 1977
- Fuji Photo Film Co., Ltd.
- Shin-ichiro Dezawa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Magnetic pigments with improved orientability and a process for the...
- Patent number 4,014,710
- Issue date Mar 29, 1977
- Bayer Aktiengesellschaft
- Peter Woditsch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic iron oxides with improved orientability and a process for...
- Patent number 3,931,025
- Issue date Jan 6, 1976
- Bayer Aktiengesellschaft
- Peter Woditsch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3912646
- Patent number 3,912,646
- Issue date Oct 14, 1975
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3894970
- Patent number 3,894,970
- Issue date Jul 15, 1975
- G11 - INFORMATION STORAGE
Information Patent Grant
3873461
- Patent number 3,873,461
- Issue date Mar 25, 1975
- G11 - INFORMATION STORAGE
Information Patent Grant
3692683
- Patent number 3,692,683
- Issue date Sep 19, 1972
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3598568
- Patent number 3,598,568
- Issue date Aug 10, 1971
- G11 - INFORMATION STORAGE
Information Patent Grant
3382174
- Patent number 3,382,174
- Issue date May 7, 1968
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3272595
- Patent number 3,272,595
- Issue date Sep 13, 1966
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3243375
- Patent number 3,243,375
- Issue date Mar 29, 1966
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Spinel-type ferrimagnetic particles, process for producing the same...
- Publication number 20100227048
- Publication date Sep 9, 2010
- Meiji University Legal Person
- Hiroshi Yamamoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Spinel-type ferrimagnetic particles process for producing the same,...
- Publication number 20060188755
- Publication date Aug 24, 2006
- Meiji University Legal Person
- Hiroshi Yamamoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

containing a dopant

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Spinel-type ferrimagnetic particles, process for producing the same...

Method for producing iron-containing complex oxide powders

Acicular ferromagnetic iron oxide particles and process for produci...

Non-acicular modified high coercivity iron oxides for high density...

Magnetic coating composition and magnetic recording medium

Acicular iron carbide particulate material and process for producin...

Magnetic recording medium

Process for producing magnetic iron oxide particles for magnetic re...

Acicular process for producing particulate material

Preparation of facetted nodular particles

Process for producing acicular particles containing an iron carbide

Magnetic recording elements, process for making the same and their...

Coating iron oxide particles for magnetic recording

Process for producing hydrated iron oxide having silicon and phosph...

Coating iron oxide particles for magnetic recording

Method of making powdered magnetic iron oxide material

Magnetic particle powder of acicular ferric oxide used for magnetic...

Process of producing ferromagnetic materials

Magnetic pigments with improved orientability and a process for the...

Magnetic iron oxides with improved orientability and a process for...

3912646

3894970

3873461

3692683

3598568

3382174

3272595

3243375

Patents Applicationslast 30 patents

Spinel-type ferrimagnetic particles, process for producing the same...

Spinel-type ferrimagnetic particles process for producing the same,...