Michio Tsuyuguchi

This inventor holds 5 USPTO granted patents. Top assignees: Sumikin Coke Company Limited, Sumitomo Metal Industries, Inc., Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1978-1982.

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 38(Granted Patents)

Location History:

Wakayama, JA (1978)
Wakayama, JP (1978 - 1982)

Company Filing History:

5 out of 8

Sumikin Coke Company Limited

patents

3 out of 929

Sumitomo Metal Industries, Inc.

patents

1 out of 776

Kureha Kagaku Kogyo Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1978-1982

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4318779 - Method of manufacture of blast furnace cokes containing substantial (1982-03-09),

2. 4178215 - Method of manufacturing blast furnace coke (1979-12-11),

3. 4135983 - Method for improving coking property of coal for use in production of (1979-01-23),

4. 4100031 - Process for preparing blast furnace cokes (1978-07-11),

5. 4073625 - Process for preparing briquettes (1978-02-14),

Profile summary based on public USPTO records.

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