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For the Inventor, By the Inventor

Hanau, Germany

Heraeus Tenevo Gmbh

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USPTO Granted Patents = 9

% Expired Patents = 33.3


Trademarks = 3

Forward Citations = 90

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18 inventors (with patents filed for the assignee):

goldMedal Heinz Fabian (4 out of 23 patents)

silverMedal Oliver Ganz (2 out of 14 patents)

bronzeMedal Kai Huei Chang (1 out of 12 patents)

4.  Michael Hünermann (1 out of 21 patents)

5.  Georges Levon Fattal (1 out of 3 patents)

6.  Clemens Schmitt (1 out of 6 patents)

7.  Karsten Bräuer (1 out of 6 patents)

8.  Thomas Bogdahn (1 out of 8 patents)

9.  Norbert Treber (1 out of 3 patents)

10.  Masanori Suzuki (1 out of 64 patents)

11.  Takeo Tsumuraya (1 out of 1 patent)

12.  Donald Jablonowski (1 out of 4 patents)

13.  Hartwig Schaper (1 out of 5 patents)

14.  Oliver Humbach (1 out of 2 patents)

15.  Uwe Haken (1 out of 1 patent)


9 patents:

1. 9212082 - System and method for fabricating optical fiber preform and optical fiber (2015-12-15),
2. 7310975 - Method and device for producing a cylindrical body consisting of quartz glass (2007-12-25),
3. 7238089 - Polishing method for inner surface of tubular brittle material and tubular brittle material obtained by polishing method (2007-07-03),
4. 7133591 - Jacket tube made of synthetically produced quartz glass and optical fibres produced using said jacket tube (2006-11-07),
5. 7089765 - Method of making a jacketed preform for optical fibers using OVD (2006-08-15),
6. 7028508 - Method for producing an optical fiber and optical fiber (2006-04-18),
7. 7006552 - Resistance furnace with tubular heating element (2006-02-28),
8. 6938443 - Method for the manufacture of a quartz glass preform for an optical fiber (2005-09-06),
9. 6938442 - Method for elongating a cylinder of silica glass (2005-09-06),
Company Overview
Heraeus Tenevo GmbH is a leading global supplier of high-quality materials and solutions for a wide range of industries. With a focus on innovation and sustainability, the company offers advanced products and services for applications in electronics, automotive, healthcare, and more. Heraeus Tenevo GmbH is dedicated to providing customers with cutting-edge technology and superior support to help them succeed in their markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

9 Patents

#40 in Hanau

#4,075 in Germany

Hanau, DE
Hanau, Germany

Heraeus Tenevo Gmbh

Forward Citations = 90

18 inventors:

goldMedal Heinz Fabian (4 out of 23 patents)

silverMedal Oliver Ganz (2 out of 14 patents)

bronzeMedal Kai Huei Chang (1 out of 12 patents)

4.  Michael Hünermann (1 out of 21 patents)

5.  Georges Levon Fattal (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Heraeus Tenevo Gmbh. Retrieved from https://idiyas.com/company/heraeus-tenevo

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

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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