Growing community of inventors

Tanashi, Japan

Masahiko Yoneyama

Average Co-Inventor Count = 6.00

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 = 9

Masahiko Yoneyama ↔ Isao Yabe (1 patent)Masahiko Yoneyama ↔ Kazuhiko Asaumi (1 patent)Masahiko Yoneyama ↔ Hiroaki Shimizu (1 patent)Masahiko Yoneyama ↔ Teruo Nayuki (1 patent)Masahiko Yoneyama ↔ Katsuhiko Ikai (1 patent)Masahiko YoneyamaMasahiko Yoneyama (1 patent)Isao YabeIsao Yabe (13 patents)Kazuhiko AsaumiKazuhiko Asaumi (1 patent)Hiroaki ShimizuHiroaki Shimizu (1 patent)Teruo NayukiTeruo Nayuki (1 patent)Katsuhiko IkaiKatsuhiko Ikai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Citizen Watch Company, Ltd. (1 from 2,002 patents)


1 patent:

1. 5783134 - Method of resin-sealing semiconductor device

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as of
12/5/2025
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