Inventor

MATSUURA KOUTARO

JP4 patents

⚠️ This page may combine multiple inventors who share the name “MATSUURA KOUTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANYO ELECTRIC CO

2 patents

US5316900AMay 31, 1994

Optical recording medium having a constant birefringent property and an alterable photochromic property

SANYO ELECTRIC CO36 citations91

US5173370ADec 22, 1992

Magnetic recording medium having a magnetic thin film with both paramagnetic phase and ferromagnetic phase iron nitride with paramagnetic phase zeta Fe2 N as its largest component

SANYO ELECTRIC CO6 citations61

MASAHIRO IRIE

1 patent

US5376511ADec 27, 1994

Optical recording medium

MASAHIRO IRIE38 citations88

IRIE MASAHIRO

1 patent

US5281501AJan 25, 1994

Method of recording and reproducing for optical recording medium

IRIE MASAHIRO6 citations56