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Shiojiri, Japan

Fumio Tsujino

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Showa Denko K.k., Showa Denko Kabushiki Kaisha. Active years: 2001-2004.

USPTO Granted Patents = 4

% Patents Active = 100.0

EPO Patents = 1

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 36(Granted Patents)

Location History:

Shiojiri, JP (2001 - 2002)
Nagano, JP (2004)

Company Filing History:

Showa Denko K.k.

Showa Denko Kabushiki Kaisha

Years Active: 2001-2004

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6733553 - Abrasive composition for polishing semiconductor device and method for producing semiconductor device using the same (2004-05-11),

2. 6478836 - Cerium oxide slurry for polishing, process for preparing the slurry, and process for polishing with the slurry (2002-11-12),

3. 6387139 - Cerium oxide slurry for polishing, process for preparing the slurry, and process for polishing with the slurry (2002-05-14),

4. 6299659 - Polishing material composition and polishing method for polishing LSI devices (2001-10-09),

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