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Hofheim am Taunus, Germany

Valentin Semjonow

This inventor holds 3 USPTO granted patents. Top assignee: Hoechst Aktiengesellschaft. Active years: 1979-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Valentin Semjonow. Retrieved from https://idiyas.com/inventor/valentin-semjonow

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 = 100.0

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 25(Granted Patents)

Location History:

Hofheim, DE (1979)
Hofheim am Taunus, DE (1979 - 1980)

Company Filing History:

Hoechst Aktiengesellschaft

Years Active: 1979-1980

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4187586 - Process for the manufacture of non-woven structures (1980-02-12),

2. 4172307 - Process and apparatus for the manufacture of non-wovens (1979-10-30),

3. 4163305 - Process and device for the manufacture of non woven webs from filaments (1979-08-07),

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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