Tadashi Abe

This inventor holds 6 USPTO granted patents and 2 EPO patents. Top assignees: Sumitomo Chemical Company, Limited, Nippon Shokubai Kagaku Kogyo Co., Ltd.. Active years: 1980-2012.

USPTO Granted Patents = 6

% Patents Active = 100.0

EPO Patents = 2

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 59(Granted Patents)

Location History:

Niihama, JP (1980 - 1990)
Ehime, JP (1986 - 2012)

Company Filing History:

6 out of 6,957

Sumitomo Chemical Company, Limited

patents

1 out of 236

Nippon Shokubai Kagaku Kogyo Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1980-2012

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8168154 - Start-up method for producing chlorine (2012-05-01),

2. 7771674 - Multitubular reaction apparatus for contact gas-phase reaction (2010-08-10),

3. 4954650 - Method for production of methacrylic acid (1990-09-04),

4. 4618709 - Waste water treatment in the production of methacrylic acid (1986-10-21),

5. 4474981 - Process for preparing an acrylic or methacrylic acid ester (1984-10-02),

6. 4199410 - Purification of crude acrylic acid (1980-04-22),

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2 patents (EPO):

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