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Heraeus Quarzglas Gmbh

USPTO Granted Patents = 45

CIPO Patents = 1

Trademarks = 6

Forward Citations = 610

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78 inventors (with patents filed for the assignee):

Wolfgang Englisch (6 out of 13 patents)

Klaus Ruppert (5 out of 22 patents)

Heinz Fabian (5 out of 23 patents)

4. Helmut Leber (5 out of 11 patents)

5. Shigeru Yamagata (4 out of 19 patents)

6. Tatsuhiro Sato (4 out of 24 patents)

7. Uwe Christiansen (4 out of 13 patents)

8. Dietmar Hellmann (4 out of 5 patents)

9. Hiroyuki Watanabe (4 out of 13 patents)

10. Stephan Thomas (3 out of 13 patents)

11. Ralf Takke (3 out of 5 patents)

12. Hartwig Schaper (3 out of 5 patents)

13. Kyoichi Inaki (3 out of 17 patents)

14. Anton Steinkohl (3 out of 8 patents)

15. Masaaki Aoyama (3 out of 5 patents)

45 patents: Sort by Forward Citations

1. 6622527 - Adjusting the hydrogen content of a preform for an UV-optical fiber (2003-09-23),

2. 6306489 - Quartz glass component for a reactor housing a method of manufacturing same and use thereof (2001-10-23),

3. 6143676 - Synthetic silica glass used with uv-rays and method producing the same (2000-11-07),

4. 6098428 - Process for drawing glass fiber using prediction of future geometric (2000-08-08),

5. 6047564 - Method of producing quartz glass bodies (2000-04-11),

6. 6031238 - Projection aligner for integrated circuit fabrication (2000-02-29),

7. 5989021 - Quartz crucible with large diameter for pulling single crystal and (1999-11-23),

8. 5979186 - Method for the manufacture of SiO.sub.2 granular material (1999-11-09),

9. 5917103 - Method of manufacturing crucible for double-crucible crystal growing (1999-06-29),

10. 5904182 - Methods and apparatus for providing quartz glass connectors (1999-05-18),

11. 5866062 - Process for producing shaped bodies of silicon dioxide (1999-02-02),

12. 5837334 - Large sized quartz glass tube, large scale quartz glass preform, process (1998-11-17),

13. 5837024 - Process for the production of quartz glass bodies (1998-11-17),

14. 5831309 - Semiconductor element for an electronic or opto-electronic semiconductor (1998-11-03),

15. 5807416 - Silica glass member with glassy carbon coating method for producing the (1998-09-15),

Heraeus Quarzglas GmbH is a leading manufacturer of high-purity fused silica and high-quality synthetic quartz glass. The company provides various quartz glass products and services for applications in semiconductors, optical fibers, photovoltaics, and other industries. With decades of expertise, Heraeus Quarzglas GmbH offers customized solutions, innovative technologies, and excellent customer support.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

45 Patents

#13 in Hanau

#1,196 in Germany

#14,962 in the World

Heraeus Quarzglas Gmbh

Forward Citations = 610

78 inventors:

Wolfgang Englisch (6 out of 13 patents)

Klaus Ruppert (5 out of 22 patents)

Heinz Fabian (5 out of 23 patents)

4. Helmut Leber (5 out of 11 patents)

5. Shigeru Yamagata (4 out of 19 patents)

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