Masao Kiyama

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Plate-like hematite particles, a pigment comprising the same and sh...
- Patent number 5,133,805
- Issue date Jul 28, 1992
- Toda Kogyo Corp.
- Tokihiro Kurata
- B82 - NANO-TECHNOLOGY
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
Information Patent Grant
Hexagonal plate-like barium ferrite particles for magnetic recordin...
- Patent number 4,698,182
- Issue date Oct 6, 1987
- Toda Kogyo Corp.
- Norimichi Nagai
- G11 - INFORMATION STORAGE
Information Patent Grant
Plate-like barium ferrite particles for magnetic recording and proc...
- Patent number 4,585,568
- Issue date Apr 29, 1986
- Toda Kogyo Corp.
- 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
Information Patent Grant
Process for production of plate-like barium ferrite particles for m...
- Patent number 4,561,988
- Issue date Dec 31, 1985
- Toda Kogyo Corporation
- Norimichi Nagai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Plate-like barium ferrite particles for use in magnetic recording a...
- Patent number 4,548,801
- Issue date Oct 22, 1985
- Toda Kogyo Corp.
- Norimichi Nagai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Barium ferrite particles and process for producing said particles
- Patent number 4,539,129
- Issue date Sep 3, 1985
- Toda Kogyo Corp.
- Norimichi Nagai
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing plate-like barium ferrite particles for magne...
- Patent number 4,529,524
- Issue date Jul 16, 1985
- Toda Kogyo Corp.
- Norimichi Nagai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of disposing of a ferrous-ion containing acidic aqueous wast...
- Patent number 4,119,536
- Issue date Oct 10, 1978
- Nippon Electric Co., Ltd.
- Keizo Iwase
- C01 - INORGANIC CHEMISTRY

Masao Kiyama

Person

Patents Grantslast 30 patents

Plate-like hematite particles, a pigment comprising the same and sh...

Plate-like barium ferrite particles suitable for use in magnetic re...

Plate-like barium ferrite particles suitable for use in magnetic re...

Plate-like magnetoplumbite ferrite particles for magnetic recording...

Process for producing plate-like barium ferrite particles

Hexagonal plate-like barium ferrite particles for magnetic recordin...

Plate-like barium ferrite particles for magnetic recording and proc...

Plate-like barium ferrite particles for magnetic recording and proc...

Process for production of plate-like barium ferrite particles for m...

Plate-like barium ferrite particles for use in magnetic recording a...

Barium ferrite particles and process for producing said particles

Process for producing plate-like barium ferrite particles for magne...

Method of disposing of a ferrous-ion containing acidic aqueous wast...