logo

For the Inventor, By the Inventor

Hitachi, Japan

Toshiya Toyoshima

This inventor holds 5 USPTO granted patents. Top assignees: Hitachi Cable, Inc., Hitach Cabel, Ltd.. Active years: 1984-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiya Toyoshima. Retrieved from https://idiyas.com/inventor/toshiya-toyoshima

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 13(Granted Patents)


Location History:

  • Ibaraki-ken, JP (1999 - 2000)
  • Hitachi, JP (1984 - 2002)

Company Filing History:

goldMedal4 out of 836 
 
Hitachi Cable, Inc.
 patents
silverMedal1 out of 1 
 
Hitach Cabel, Ltd.
 patent

Years Active: 1984-2002

Loading Chart...
5 patents (USPTO):Explore Patents
1. 6413791 - Epitaxial wafer and manufacturing method thereof as well as light-emitting diode with enhanced luminance (2002-07-02),
2. 6043509 - Light-emitting diode having moisture-proof characteristics and high (2000-03-28),
3. 5965908 - Epitaxial wafer and manufacturing method thereof as well as (1999-10-12),
4. 5888843 - Method for making light-emitting diode having improved moisture (1999-03-30),
5. 4483735 - Manufacturing process of semi-insulating gallium arsenide single crystal (1984-11-20),
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]
Loading…