Growing community of inventors

Yao, Japan

Ryuji Ichikawa

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 = 4

Ryuji IchikawaHitoshi Yamazaki (2 patents)Ryuji IchikawaTakeshi Nagareda (2 patents)Ryuji IchikawaMasahiko Umekawa (2 patents)Ryuji IchikawaTakeshi Mori (2 patents)Ryuji IchikawaKazuhiro Takeda (2 patents)Ryuji IchikawaRyuji Ichikawa (2 patents)Hitoshi YamazakiHitoshi Yamazaki (19 patents)Takeshi NagaredaTakeshi Nagareda (13 patents)Masahiko UmekawaMasahiko Umekawa (6 patents)Takeshi MoriTakeshi Mori (2 patents)Kazuhiro TakedaKazuhiro Takeda (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nintendo Co., Ltd. (2 from 2,799 patents)

2. Hosiden Corporation (1 from 773 patents)


2 patents:

1. 8887547 - Weight applying unit for calibration and weight applying method for calibration

2. 8387437 - Weight applying unit for calibration and weight applying method for calibration

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as of
12/8/2025
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