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Berlin, Germany

Gerhard Johann

Average Co-Inventor Count = 6.22

ph-index = 4

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 = 62

Gerhard JohannRichard Rees (12 patents)Gerhard JohannPeter Wegner (6 patents)Gerhard JohannGerhard Tarara (6 patents)Gerhard JohannGabriele Dorfmeister (5 patents)Gerhard JohannGabriele Kruger (5 patents)Gerhard JohannChristoph Harde (5 patents)Gerhard JohannHelga Franke (4 patents)Gerhard JohannNikolaus Heinrich (4 patents)Gerhard JohannClemens Kotter (4 patents)Gerhard JohannErhard Nordhoff (4 patents)Gerhard JohannAnita Kruger (4 patents)Gerhard JohannJens Geisler (3 patents)Gerhard JohannUwe Hartfiel (3 patents)Gerhard JohannGraham Peter Jones (2 patents)Gerhard JohannWilfried Franke (2 patents)Gerhard JohannFriedrich Arndt (1 patent)Gerhard JohannPeter S Gates (1 patent)Gerhard JohannMartin Kruger (1 patent)Gerhard JohannAlfred Angermann (1 patent)Gerhard JohannReinhart Rusch (1 patent)Gerhard JohannFriedhelm Blume (1 patent)Gerhard JohannMichael Ganzer (1 patent)Gerhard JohannGraham P Rowson (1 patent)Gerhard JohannGabriele Kru/ Ger (1 patent)Gerhard JohannJohn Head (1 patent)Gerhard JohannGerhard Johann (13 patents)Richard ReesRichard Rees (24 patents)Peter WegnerPeter Wegner (10 patents)Gerhard TararaGerhard Tarara (6 patents)Gabriele DorfmeisterGabriele Dorfmeister (8 patents)Gabriele KrugerGabriele Kruger (5 patents)Christoph HardeChristoph Harde (5 patents)Helga FrankeHelga Franke (18 patents)Nikolaus HeinrichNikolaus Heinrich (15 patents)Clemens KotterClemens Kotter (7 patents)Erhard NordhoffErhard Nordhoff (6 patents)Anita KrugerAnita Kruger (4 patents)Jens GeislerJens Geisler (23 patents)Uwe HartfielUwe Hartfiel (11 patents)Graham Peter JonesGraham Peter Jones (25 patents)Wilfried FrankeWilfried Franke (6 patents)Friedrich ArndtFriedrich Arndt (59 patents)Peter S GatesPeter S Gates (24 patents)Martin KrugerMartin Kruger (21 patents)Alfred AngermannAlfred Angermann (19 patents)Reinhart RuschReinhart Rusch (17 patents)Friedhelm BlumeFriedhelm Blume (6 patents)Michael GanzerMichael Ganzer (5 patents)Graham P RowsonGraham P Rowson (3 patents)Gabriele Kru/ GerGabriele Kru/ Ger (1 patent)John HeadJohn Head (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Schering Aktiengesellschaft (9 from 1,384 patents)

2. Hoechst Schering Agrevo Gmbh (2 from 161 patents)

3. Schering Agrochemicals Limited (1 from 34 patents)

4. Shering Ag (1 from 7 patents)


13 patents:

1. 5668278 - Bicyclic pyrazolo compounds

2. 5556986 - Pyrazole hydrazine compounds

3. 5502028 - Herbicidal pyrimidinyl or triazinyl haloacetic acid derivatives

4. 5424443 - Substituted benzothiazole derivatives, their preparation and use as

5. 5405829 - Substituted pyrazolypyrazoles and their use as herbicides

6. 5270289 - Herbicidal dimethoxy pyrimidinyloxy-fluorinated acids and salts

7. 5238907 - Substituted 2-pyrimidinyl-acetic acid derivatives, and their use as

8. 5098465 - 2-triazinylacetics acid derivatives, and their use as herbicides,

9. 5094682 - 1-methoxypyrimidinyl-N-nitrophenyl-1H-1,2,4-triazole-3-sulphonamides and

10. 5089044 - Substituted pyrimidinyloxy(thio)- and triazinyloxy (thio)acrylic acid

11. 4959094 - 1-chloropyrimidinyl-1H-1,2,4-triazole-3-sulphonamides as herbicides

12. 4943310 - Cyclohexenecarboxylic acid derivatives as plant growth regulants

13. 4925481 - Substituted bicyclic triazole herbicides

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