Masaru Isoai

Person

Hiroshima, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Calcium-iron oxide composite particles
- Patent number 6,476,112
- Issue date Nov 5, 2002
- Toda Kogyo Corporation
- Toshiki Matsui
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Calcium-iron oxide composite particles and resin molded product con...
- Patent number 6,228,924
- Issue date May 8, 2001
- Toda Kogyo Corporation
- Toshiki Matsui
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of decoloring colored concrete
- Patent number 5,993,536
- Issue date Nov 30, 1999
- Toda Kogyo Corporation
- Toshiki Matsui
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Non-magnetic particles for non-magnetic undercoating layer of magne...
- Patent number 5,587,232
- Issue date Dec 24, 1996
- Toda Kogyo Corporation
- Kazuyuki Hayashi
- G11 - INFORMATION STORAGE
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
Spindle-like magnetic iron oxide particles and process for producin...
- Patent number 4,873,010
- Issue date Oct 10, 1989
- Toda Kogyo Corp.
- Atsushi Takedoi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Calcium-iron oxide composite particles
- Publication number 20010021366
- Publication date Sep 13, 2001
- Toshiki Matsui
- B82 - NANO-TECHNOLOGY

Masaru Isoai

Person

Patents Grantslast 30 patents

Calcium-iron oxide composite particles

Calcium-iron oxide composite particles and resin molded product con...

Method of decoloring colored concrete

Non-magnetic particles for non-magnetic undercoating layer of magne...

Magnetic iron oxide particles and method of producing the same

Process for producing acicular goethite particles and acicular magn...

Process for producing acicular geothite particles and acicular magn...

Magnetic iron oxide particles and method of producing same

Spindle-like magnetic iron oxide particles and process for producin...

Patents Applicationslast 30 patents

Calcium-iron oxide composite particles