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For the Inventor, By the Inventor

Tokyo, Japan

Hidetoshi Wakamatsu

This inventor holds 7 USPTO granted patents and 1 published patent application. Top assignee: Oki Electric Industry Co., Ltd.. Active years: 1989-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidetoshi Wakamatsu. Retrieved from https://idiyas.com/inventor/hidetoshi-wakamatsu

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

USPTO Granted Patents = 7 

% Patents Active = 71.4

Average Co-Inventor Count = 1.3

ph-index = 4

Forward Citations = 59(Granted Patents)


Location History:

  • Tokyo, JP (1989 - 2003)
  • Miyagi, JP (2008)

Company Filing History:

goldMedal7 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents

Years Active: 1989-2008

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7 patents (USPTO):Explore Patents
1. 7332346 - Method of collecting chemically contaminating impurity constituents contained in air (2008-02-19),
2. 6645273 - Method for removing impurity contents in the air (2003-11-11),
3. 6497757 - Apparatus for removing impurity contents in the air (2002-12-24),
4. 6387165 - Airborne molecular contaminant removing apparatus (2002-05-14),
5. 5120677 - Method for making a semiconductor device by doping with arsenic, of at (1992-06-09),
6. 4879253 - Method for fabricating a semiconductor device using a BPSG layer (1989-11-07),
7. 4839306 - Method of manufacturing a trench filled with an insulating material in a (1989-06-13),
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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