Growing community of inventors

Shizuoka, Japan

Shigeyuki Yokoyama

Average Co-Inventor Count = 4.17

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 = 434

Shigeyuki Yokoyama ↔ Yukinori Sakumoto (5 patents)Shigeyuki Yokoyama ↔ Atsushi Koshimura (5 patents)Shigeyuki Yokoyama ↔ Akihiro Shibuya (5 patents)Shigeyuki Yokoyama ↔ Nobuyuki Nakayama (1 patent)Shigeyuki YokoyamaShigeyuki Yokoyama (5 patents)Yukinori SakumotoYukinori Sakumoto (19 patents)Atsushi KoshimuraAtsushi Koshimura (11 patents)Akihiro ShibuyaAkihiro Shibuya (5 patents)Nobuyuki NakayamaNobuyuki Nakayama (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tomoegawa Paper Co., Inc. (5 from 209 patents)


5 patents:

1. 5891566 - Adhesive tapes

2. 5824182 - Adhesive tapes

3. 5683806 - Adhesive tapes

4. 5277972 - Adhesive tapes

5. 5091251 - Adhesive tapes and semiconductor devices

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idiyas.com
as of
12/14/2025
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