Growing community of inventors

Singapore, Singapore

John Callf

Average Co-Inventor Count = 4.29

ph-index = 2

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 = 22

John Callf ↔ Thomas D McGee (3 patents)John Callf ↔ Kenneth Leo Purzycki (3 patents)John Callf ↔ Venkateswara Kumar Vedantam (3 patents)John Callf ↔ Tee Yong Tan (3 patents)John Callf ↔ Arnaud Struillou (1 patent)John Callf ↔ Glenn Verhovnik (1 patent)John Callf ↔ Thomas Mcgee (0 patent)John Callf ↔ Thomas Mcgee (0 patent)John CallfJohn Callf (4 patents)Thomas D McGeeThomas D McGee (28 patents)Kenneth Leo PurzyckiKenneth Leo Purzycki (17 patents)Venkateswara Kumar VedantamVenkateswara Kumar Vedantam (4 patents)Tee Yong TanTee Yong Tan (4 patents)Arnaud StruillouArnaud Struillou (23 patents)Glenn VerhovnikGlenn Verhovnik (6 patents)Thomas McgeeThomas Mcgee (0 patent)Thomas McgeeThomas Mcgee (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Givaudan S.a. (3 from 410 patents)

2. Firmenich Sa (1 from 826 patents)


4 patents:

1. 11484480 - Hair coloring composition comprising microcapsules

2. 7332462 - Malodor counteractant compounds

3. 7288507 - Malodor counteractant compounds

4. 6610648 - Malodor counteractant compositions

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as of
1/1/2026
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