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For the Inventor, By the Inventor

Sapporo, Japan

Tamotsu Takahashi

This inventor holds 6 USPTO granted patents and 1 EPO patent. Top assignees: Hokkaido University, Japan Science and Technology Corporation, Adeka Corporation. Active years: 2002-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tamotsu Takahashi. Retrieved from https://idiyas.com/inventor/tamotsu-takahashi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 6

% Patents Active = 16.7


Average Co-Inventor Count = 1.8

ph-index = 1

Forward Citations = 15(Granted Patents)


Location History:

  • Hokkaido, JP (2011 - 2012)
  • Sapporo, JP (2002 - 2014)

Company Filing History:

goldMedal2 out of 442 
 
Hokkaido University
 patents
silverMedal2 out of 373 
 
Japan Science and Technology Corporation
 patents
bronzeMedal1 out of 457 
 
Adeka Corporation
 patents
4. 1 out of 48 
 
Japan Polyethylene Corporation
 patents
5. 1 out of 1,329 
 
Japan Science and Technology Agency
 patents
6. 1 out of 58,147 
 
Sony Corporation
 patents
where one patent can have more than one assignee

Years Active: 2002-2014

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6 patents (USPTO):Explore Patents
1. 8785671 - 6,13-dihalogen-5,14-dihydropentacene derivative and method for producing 6,13-substituted-5,14-dihydropentacene derivative using same (2014-07-22),
2. 8115197 - Organic semiconductor material, organic semiconductor thin film and organic semiconductor device (2012-02-14),
3. 8022295 - Photoelectric conversion devices (2011-09-20),
4. 7166684 - Transition metal compound, catalyst for olefin polymerization and method for producing polyolefin (2007-01-23),
5. 6586554 - Polyarylene and method for production thereof (2003-07-01),
6. 6365744 - Process for producing pyridine derivative through reaction of azametallacyclopentadiene with alkyne (2002-04-02),
Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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