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For the Inventor, By the Inventor

Tokyo, Japan

Kasumi Koyama

This inventor holds 3 USPTO granted patents. Top assignee: Surfcera Co., Ltd.. Active years: 2002-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kasumi Koyama. Retrieved from https://idiyas.com/inventor/kasumi-koyama

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

USPTO Granted Patents = 3

% Patents Active = 66.7

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Tokyo, JP (2002)
  • Suginami-ku, JP (2005)

Company Filing History:

goldMedal3 out of 3 
 
Surfcera Co., Ltd.
 patents

Years Active: 2002-2005

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3 patents (USPTO):Explore Patents
1. 6863829 - Anti-bacteria agent made from shell, and methods for purifying and desalinating water and for washing agricultural products with use thereof (2005-03-08),
2. 6488978 - Anti-bacteria agent made from shell, and methods for purifying and desalinating water and for washing agricultural products with use thereof (2002-12-03),
3. 6365193 - Anti-bacteria agent made from shell, and methods for purifying and desalinating water and for washing agricultural products with use thereof (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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