Shushichi Yoshimura

This inventor holds 4 USPTO granted patents. Top assignees: Mitsubishi Chemical Industries Limited, Mitsubishi Kasei Corporation. Active years: 1987-1993.

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 4.5

ph-index = 4

Forward Citations = 59(Granted Patents)

Company Filing History:

2 out of 614

Mitsubishi Chemical Industries Limited

patents

2 out of 499

Mitsubishi Kasei Corporation

patents

Years Active: 1987-1993

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5264199 - Process for producing carbon black (1993-11-23),

2. 4976945 - Process for producing carbon black (1990-12-11),

3. 4808395 - High-quality coloring carbon black and process for its production (1989-02-28),

4. 4693879 - Ultrasonic vibration sieving apparatus and process for purifying carbon (1987-09-15),

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