Hiroyuki Kondo

Follow

Person

Hiroshima, JP

People

Patents Grantslast 30 patents

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
Information Patent Grant
Process for preparing magnetic particles with metallic region there...
- Patent number 4,318,735
- Issue date Mar 9, 1982
- Toda Kogyo Corp.
- Akio Mishima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for treating acicular magnetite containing Co to stabilize...
- Patent number 4,136,049
- Issue date Jan 23, 1979
- Toda Kogyo Corp.
- Nanao Horiishi
- G11 - INFORMATION STORAGE