Growing community of inventors

Offenbach, Germany

Roland Ullmann

Average Co-Inventor Count = 1.22

ph-index = 21

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 1,341

Roland UllmannReinhold Eichhorn (5 patents)Roland UllmannMichael Odemer (5 patents)Roland UllmannMichael Harms (4 patents)Roland UllmannOliver Grabes (4 patents)Roland UllmannPeter Junk (4 patents)Roland UllmannSebastian Hottenrott (4 patents)Roland UllmannDavid Wykes (4 patents)Roland UllmannJürgen Wolf (4 patents)Roland UllmannHans-Eberhard Heintke (3 patents)Roland UllmannBernhard Sikora (2 patents)Roland UllmannDuy Phong Vu (2 patents)Roland UllmannBjörn Kling (2 patents)Roland UllmannOtto Schweingruber (2 patents)Roland UllmannKlaus Oprach (2 patents)Roland UllmannJens Störkel (2 patents)Roland UllmannHelmut Faulstich (2 patents)Roland UllmannKlaus Zimmermann (2 patents)Roland UllmannAlexander Timothy Chenvainu (1 patent)Roland UllmannMarkus Orthey (1 patent)Roland UllmannPeter Hilfinger (1 patent)Roland UllmannThomas Aurele Christman (1 patent)Roland UllmannWolfgang Franke (1 patent)Roland UllmannMatthias Wetzel (1 patent)Roland UllmannBjorn Kling (1 patent)Roland UllmannGebhard Braun (1 patent)Roland UllmannThorsten Pohl (1 patent)Roland UllmannHelmut Durr (1 patent)Roland UllmannKlaus Ramspeck (1 patent)Roland UllmannWerner Messinger (1 patent)Roland UllmannGunther Seidel (1 patent)Roland UllmannHans E Heintke (1 patent)Roland UllmannGerhard Hildebrand (1 patent)Roland UllmannManfred Ohle (1 patent)Roland UllmannBernd Tewes (1 patent)Roland UllmannKurt Beutel (1 patent)Roland UllmannRolf Ernst (1 patent)Roland UllmannBernhard Wild (1 patent)Roland UllmannBernhard Best (1 patent)Roland UllmannRoland Ullmann (104 patents)Reinhold EichhornReinhold Eichhorn (38 patents)Michael OdemerMichael Odemer (31 patents)Michael HarmsMichael Harms (76 patents)Oliver GrabesOliver Grabes (29 patents)Peter JunkPeter Junk (25 patents)Sebastian HottenrottSebastian Hottenrott (23 patents)David WykesDavid Wykes (10 patents)Jürgen WolfJürgen Wolf (9 patents)Hans-Eberhard HeintkeHans-Eberhard Heintke (17 patents)Bernhard SikoraBernhard Sikora (57 patents)Duy Phong VuDuy Phong Vu (42 patents)Björn KlingBjörn Kling (11 patents)Otto SchweingruberOtto Schweingruber (7 patents)Klaus OprachKlaus Oprach (6 patents)Jens StörkelJens Störkel (6 patents)Helmut FaulstichHelmut Faulstich (3 patents)Klaus ZimmermannKlaus Zimmermann (2 patents)Alexander Timothy ChenvainuAlexander Timothy Chenvainu (45 patents)Markus OrtheyMarkus Orthey (25 patents)Peter HilfingerPeter Hilfinger (23 patents)Thomas Aurele ChristmanThomas Aurele Christman (19 patents)Wolfgang FrankeWolfgang Franke (16 patents)Matthias WetzelMatthias Wetzel (15 patents)Bjorn KlingBjorn Kling (15 patents)Gebhard BraunGebhard Braun (14 patents)Thorsten PohlThorsten Pohl (13 patents)Helmut DurrHelmut Durr (11 patents)Klaus RamspeckKlaus Ramspeck (9 patents)Werner MessingerWerner Messinger (9 patents)Gunther SeidelGunther Seidel (7 patents)Hans E HeintkeHans E Heintke (5 patents)Gerhard HildebrandGerhard Hildebrand (4 patents)Manfred OhleManfred Ohle (4 patents)Bernd TewesBernd Tewes (3 patents)Kurt BeutelKurt Beutel (2 patents)Rolf ErnstRolf Ernst (1 patent)Bernhard WildBernhard Wild (1 patent)Bernhard BestBernhard Best (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Braun Aktiengesellschaft (63 from 527 patents)

2. Braun Gmbh (39 from 1,002 patents)

3. The Gillette Company (1 from 2,632 patents)

4. Baun Aktiengesellschaft (1 from 1 patent)


104 patents:

1. 8420203 - Surface structure for a working device

2. 8389102 - Gripping area for a working device

3. 8302315 - Method for operating a hair removal apparatus

4. 8069568 - Electric hair removal apparatus

5. D613008 - Cleaning device for an electric shaver

6. D611652 - Cleaning device for an electric shaver

7. D590543 - Electric shaver

8. D590542 - Electric shaver

9. D561940 - Cleaning device for an electric shaver

10. D551801 - Electric shaver

11. D547951 - Handle for a toothbrush

12. D537206 - Electric shaver

13. D535785 - Electric shaver

14. D526487 - Head and neck unit of a toothbrush

15. D522176 - Electric shaver

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as of
9/10/2025
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