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Norio Sugita
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Hiroshima-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ni—Zn—Cu ferrite particles, green sheet comprising the Ni—Zn—Cu fer...
Patent number
8,470,194
Issue date
Jun 25, 2013
Toda Kogyo Corporation
Yoji Okano
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Soft-magnetic hexagonal ferrite composite particles, and green shee...
Patent number
6,623,879
Issue date
Sep 23, 2003
Toda Kogyo Corporation
Yoji Okano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Non-magnetic coated particles having a defined parameter .alpha. of...
Patent number
5,882,795
Issue date
Mar 16, 1999
Toda Kogyo Corporation
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-magnetic undercoating layer for magnetic recording medium, magn...
Patent number
5,830,557
Issue date
Nov 3, 1998
Toda Kogyo Corporation
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-magnetic undercoat layer for magnetic recording medium, magneti...
Patent number
5,604,015
Issue date
Feb 18, 1997
Toda Kogyo Corporation
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic particles for magnetic recording medium and process for pr...
Patent number
5,543,069
Issue date
Aug 6, 1996
Toda Kogyo Corporation
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic particles for magnetic recording medium and process for pr...
Patent number
5,484,545
Issue date
Jan 16, 1996
Toda Kogyo Corporation
Kazuyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Plate-like composite ferrite fine particles for magnetic recording...
Patent number
5,118,575
Issue date
Jun 2, 1992
Toda Kogyo Corp.
Masaaki Maekawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Plate-like composite ferrite fine particles suitable for use in mag...
Patent number
5,079,092
Issue date
Jan 7, 1992
Toda Kogyo Corp.
Masaaki Maekawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Plate-like composite ferrite particles for magnetic recording and p...
Patent number
5,075,169
Issue date
Dec 24, 1991
Toda Kogyo Corp.
Norimichi Nagai
G11 - INFORMATION STORAGE
Information
Patent Grant
Plate-like barium ferrite particles suitable for use in magnetic re...
Patent number
4,851,292
Issue date
Jul 25, 1989
Toda Kogyo Corp.
Norimichi Nagai
G11 - INFORMATION STORAGE
Information
Patent Grant
Plate-like barium ferrite particles suitable for use in magnetic re...
Patent number
4,806,429
Issue date
Feb 21, 1989
Toda Kogyo Corporation
Norimichi Nagai
G11 - INFORMATION STORAGE
Information
Patent Grant
Plate-like barium ferrite particles for magnetic recording and proc...
Patent number
4,584,242
Issue date
Apr 22, 1986
Toda Kogyo Corp.
Norimichi Nagai
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
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Patent Application
NI-ZN-CU FERRITE PARTICLES, GREEN SHEET COMPRISING THE NI-ZN-CU FER...
Publication number
20100163779
Publication date
Jul 1, 2010
Yoji Okano
B32 - LAYERED PRODUCTS
Information
Patent Application
Soft-magnetic hexagonal ferrite composite particles, and green shee...
Publication number
20030148147
Publication date
Aug 7, 2003
Yoji Okano
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Automated semi-deterministic trading system
Publication number
20020156721
Publication date
Oct 24, 2002
David Lyback
G06 - COMPUTING CALCULATING COUNTING