Growing community of inventors

Berlin, Germany

Klaus Annen

Average Co-Inventor Count = 4.88

ph-index = 10

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 = 285

Klaus AnnenHenry Laurent (36 patents)Klaus AnnenRudolf Wiechert (33 patents)Klaus AnnenHelmut Hofmeister (33 patents)Klaus AnnenHans Wendt (7 patents)Klaus AnnenKarl Petzoldt (6 patents)Klaus AnnenHermann Steinbeck (5 patents)Klaus AnnenWalter Elger (4 patents)Klaus AnnenSybille Beier (4 patents)Klaus AnnenMichael Topert (3 patents)Klaus AnnenDavid A Henderson (2 patents)Klaus AnnenRalph Rohde (2 patents)Klaus AnnenJoachim-Friedrich Kapp (2 patents)Klaus AnnenPaul E Schulze (2 patents)Klaus AnnenMichael Toepert (2 patents)Klaus AnnenGerhard Sauer (1 patent)Klaus AnnenKlaus Nickisch (1 patent)Klaus AnnenGunter Neef (1 patent)Klaus AnnenAlfred Weber (1 patent)Klaus AnnenWolfgang Losert (1 patent)Klaus AnnenMario Kennecke (1 patent)Klaus AnnenHelmut Dahl (1 patent)Klaus AnnenKlaus Kieslich (1 patent)Klaus AnnenGuenter Neef (1 patent)Klaus AnnenKunhard Pollow (1 patent)Klaus AnnenPeter Klaus Mengel (1 patent)Klaus AnnenErnst Schottle (1 patent)Klaus AnnenJoachim F Kapp (1 patent)Klaus AnnenBernhard Manz (1 patent)Klaus AnnenYukeshige Nishino (1 patent)Klaus AnnenHans-Joerg Grill (1 patent)Klaus AnnenKlaus Annen (37 patents)Henry LaurentHenry Laurent (88 patents)Rudolf WiechertRudolf Wiechert (144 patents)Helmut HofmeisterHelmut Hofmeister (49 patents)Hans WendtHans Wendt (12 patents)Karl PetzoldtKarl Petzoldt (32 patents)Hermann SteinbeckHermann Steinbeck (11 patents)Walter ElgerWalter Elger (122 patents)Sybille BeierSybille Beier (35 patents)Michael TopertMichael Topert (8 patents)David A HendersonDavid A Henderson (21 patents)Ralph RohdeRalph Rohde (10 patents)Joachim-Friedrich KappJoachim-Friedrich Kapp (9 patents)Paul E SchulzePaul E Schulze (4 patents)Michael ToepertMichael Toepert (2 patents)Gerhard SauerGerhard Sauer (58 patents)Klaus NickischKlaus Nickisch (53 patents)Gunter NeefGunter Neef (51 patents)Alfred WeberAlfred Weber (29 patents)Wolfgang LosertWolfgang Losert (22 patents)Mario KenneckeMario Kennecke (21 patents)Helmut DahlHelmut Dahl (15 patents)Klaus KieslichKlaus Kieslich (12 patents)Guenter NeefGuenter Neef (12 patents)Kunhard PollowKunhard Pollow (3 patents)Peter Klaus MengelPeter Klaus Mengel (2 patents)Ernst SchottleErnst Schottle (2 patents)Joachim F KappJoachim F Kapp (1 patent)Bernhard ManzBernhard Manz (1 patent)Yukeshige NishinoYukeshige Nishino (1 patent)Hans-Joerg GrillHans-Joerg Grill (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Schering Aktiengesellschaft (37 from 1,384 patents)


37 patents:

1. 4956482 - Process for the preparation of pregnane derivatives

2. 4945064 - Estrane and androstane derivatives, process for producing them and

3. 4912098 - Antiinflammatory 6 alpha-methylhydrocortisones

4. 4891365 - 17-Substituted estradienes and estratrienes

5. 4777165 - 6.alpha., 16.beta.-dimethyl corticoids and their anti-inflammatory use

6. 4708823 - 17 .alpha.-chloroethynyl pregnane derivatives

7. 4701451 - Novel 6,16-dimethylcorticoids their preparation and use

8. 4670427 - 1.alpha.,2.alpha.-methylene-6-methylene- and 6.alpha.-methylpregnenes,

9. 4645763 - 6.alpha.-methyl corticoids, their production and use

10. 4619922 - 6.alpha., 16.alpha.-dimethyl corticoids

11. 4609651 - 11.beta.-arylestradienes, their production, and pharmaceutical

12. 4587236 - Novel 6.alpha.-methylprednisolone derivatives, their preparation, and

13. 4567002 - Process for the preparation of 17-haloethynyl steroids, and novel

14. 4555507 - Novel 6, 16-dimethylcorticoids, their preparation and use

15. 4550100 - Process for the preparation of 17.alpha.-bromoethynyl- and

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