Andre Hertwig — 8 Patents at IBM

Andre Hertwig has been granted 8 US patents while listed as an inventor at IBM. The first was granted in 2004 and the most recent in July 2025. Andre Hertwig ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Andre Hertwig in Petzenthal, DE.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12365197	Writing instrument	Wilhelm Berberich	2025-07-22
11256284	Integrated skew control	Andreas H. A. Arp, Michael V. Koch, Matthias Ringe	2022-02-22	$13,349,000
10651834	Method and apparatus for clock skew control with low jitter in an integrated circuit	Andreas H. A. Arp, Fatih Cilek, Michael V. Koch, Matthias Ringe	2020-05-12	$2,725,000
10564664	Integrated skew control	Andreas H. A. Arp, Michael V. Koch, Matthias Ringe	2020-02-18	$2,353,000
10469063	Method and apparatus for clock skew control with low jitter in an integrated circuit	Andreas H. A. Arp, Fatih Cilek, Michael V. Koch, Matthias Ringe	2019-11-05	$4,028,000
10348278	Method and apparatus for clock skew control with low jitter in an integrated circuit	Andreas H. A. Arp, Fatih Cilek, Michael V. Koch, Matthias Ringe	2019-07-09	$2,201,000
10110205	Method and apparatus for clock skew control with low jitter in an integrated circuit	Andreas H. A. Arp, Fatih Cilek, Michael V. Koch, Matthias Ringe	2018-10-23	$2,704,000
6832868	Writing implement which lengthens and shortens when actuated	Wolfgang Nestlen	2004-12-21

Andre Hertwig — 8 Patents

Issued Patents All Time

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