Kazuhiro Fujita

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic iron oxide particles and method of producing the same
- Patent number 5,582,914
- Issue date Dec 10, 1996
- Toda Kogyo Corp.
- Atsushi Takedoi
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing acicular goethite particles and acicular magn...
- Patent number 5,480,571
- Issue date Jan 2, 1996
- Toda Kogyo Corp.
- Masaru Isoai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process for producing acicular geothite particles and acicular magn...
- Patent number 5,378,380
- Issue date Jan 3, 1995
- Toda Kogyo Corp.
- Masaru Isoai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic iron oxide particles and method of producing same
- Patent number 5,314,750
- Issue date May 24, 1994
- Toda Kogyo Corp.
- Atsushi Takedoi
- G11 - INFORMATION STORAGE
Information Patent Grant
Acicular magnetic iron oxide particles
- Patent number 5,294,492
- Issue date Mar 15, 1994
- Toda Kogyo Corp.
- Hiroshi Oka
- G11 - INFORMATION STORAGE