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Yokohamashi, Japan

Kiyoshi Hayakawa

USPTO Granted Patents = 4

Average Co-Inventor Count = 4.7

ph-index = 4

Forward Citations = 83(Granted Patents)

Location History:

Yokohama, JA (1976)
Yokohama, JP (1980)
Yokohamashi, JP (1980 - 1983)

Company Filing History:

Asahi Kasei Kogyo Kabushiki Kaisha

Years Active: 1976-1983

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4423190 - Block copolymer mixture of conjugated diene and vinyl aromatic (1983-12-27),

2. 4208356 - Process for producing mixture of block copolymers (1980-06-17),

3. 4183877 - High-impact polystyrene composition and production thereof (1980-01-15),

4. 3976721 - Method of producing polystyrene composition (1976-08-24),

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