Growing community of inventors

Saitama, Japan

Hiroyuki Sugiyama

Average Co-Inventor Count = 5.14

ph-index = 1

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 = 3

Hiroyuki SugiyamaRamasamy Krishnan (3 patents)Hiroyuki SugiyamaJerome Bollard (3 patents)Hiroyuki SugiyamaMark D Schneider (2 patents)Hiroyuki SugiyamaDavid Klein (2 patents)Hiroyuki SugiyamaChristian Johnke (2 patents)Hiroyuki SugiyamaRichard Durand (1 patent)Hiroyuki SugiyamaHiroyuki Sugiyama (3 patents)Ramasamy KrishnanRamasamy Krishnan (34 patents)Jerome BollardJerome Bollard (4 patents)Mark D SchneiderMark D Schneider (9 patents)David KleinDavid Klein (7 patents)Christian JohnkeChristian Johnke (7 patents)Richard DurandRichard Durand (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sun Chemical Corporation (3 from 590 patents)


3 patents:

1. 9988550 - Overprint varnishes with non-aqueous dispersions

2. 9410050 - Compositions and methods to improve the setting properties and rub resistance of printing inks

3. 9115291 - Compositions and methods to improve the setting properties and rub resistance of printing inks

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as of
1/5/2026
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