Toru Numaguchi

This inventor holds 6 USPTO granted patents. Top assignees: Toyo Engineering Corporation, Catalysts and Chemicals Inc., Far East. Active years: 1987-2001.

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 5

Forward Citations = 123(Granted Patents)

Company Filing History:

6 out of 171

Toyo Engineering Corporation

patents

1 out of 4

Catalysts and Chemicals Inc., Far East

patents

where one patent can have more than one assignee

Years Active: 1987-2001

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6261991 - Steam-reforming catalyst for hydrocarbons (2001-07-17),

2. 5773589 - Steam reforming catalysts for lower hydrocarbons (1998-06-30),

3. 5100857 - Catalyst for steam reforming (1992-03-31),

4. 4990481 - Catalyst for steam reforming (1991-02-05),

5. 4849187 - Steam reforming apparatus (1989-07-18),

6. 4714593 - Reforming apparatus (1987-12-22),

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Profile summary based on public USPTO records.

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