Katsunori Fujimoto

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Patents Grantslast 30 patents

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Cobalt-coated acicular magnetic iron oxide particles
- Patent number 5,968,405
- Issue date Oct 19, 1999
- Toda Kogyo Corporation
- Minoru Yamasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle-shaped magnetic iron based alloy particles and process for...
- Patent number 5,599,378
- Issue date Feb 4, 1997
- Toda Kogyo Corp.
- Akio Mishima
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle-shaped magnetic iron based alloy particles
- Patent number 5,466,306
- Issue date Nov 14, 1995
- Toda Kogyo Corp.
- Akio Mishima
- 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 magnetoplumbite ferrite particles for magnetic recording...
- Patent number 4,781,981
- Issue date Nov 1, 1988
- Toda Kogyo Corp.
- Tsutomu Katamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing plate-like barium ferrite particles
- Patent number 4,752,407
- Issue date Jun 21, 1988
- Toda Kogyo Corporation
- Norimichi Nagai
- B82 - NANO-TECHNOLOGY