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Irvine, CA, United States of America

Masahiko Yamada

Average Co-Inventor Count = 3.00

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 = 23

Masahiko Yamada ↔ David Kwang (2 patents)Masahiko Yamada ↔ Gary S Weissberg (2 patents)Masahiko YamadaMasahiko Yamada (2 patents)David KwangDavid Kwang (6 patents)Gary S WeissbergGary S Weissberg (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Concept Enterprises, Inc. (2 from 7 patents)


2 patents:

1. D302695 - Component for a vehicular loudspeaker

2. D302556 - Component for a vehicular loudspeaker

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as of
1/5/2026
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