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Sodegaura, Japan

Kazuyoshi Shigematsu

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.8

ph-index = 1

Forward Citations = 3(Granted Patents)

Location History:

Chiba, JP (1990)
Sodegaura, JP (1989 - 1992)

Company Filing History:

Idemitsu Kosan Company, Limited

Years Active: 1989-1992

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5151531 - Dihydric phenols (1992-09-29),

2. 4923962 - Optical disk substrate comprising aromatic polycarbonate (1990-05-08),

3. 4892924 - Polycarbonate containing compound from bis(3-phenyl-4-hydroxyphenyl) (1990-01-09),

4. 4801679 - Polyformal resin and process for producing said resin (1989-01-31),

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