Growing community of inventors

Tokyo, Japan

Yohei Ichikawa

Average Co-Inventor Count = 3.43

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 = 18

Yohei IchikawaKazuhiro Watanabe (3 patents)Yohei IchikawaTetsuo Saji (3 patents)Yohei IchikawaKenichi Motodate (1 patent)Yohei IchikawaMasashi Miyagi (1 patent)Yohei IchikawaErika Kumakura (1 patent)Yohei IchikawaAtsuo Kurokawa (1 patent)Yohei IchikawaMark Hsinhsien Chih (1 patent)Yohei IchikawaYohei Ichikawa (4 patents)Kazuhiro WatanabeKazuhiro Watanabe (124 patents)Tetsuo SajiTetsuo Saji (35 patents)Kenichi MotodateKenichi Motodate (6 patents)Masashi MiyagiMasashi Miyagi (1 patent)Erika KumakuraErika Kumakura (1 patent)Atsuo KurokawaAtsuo Kurokawa (1 patent)Mark Hsinhsien ChihMark Hsinhsien Chih (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Taiyo Yuden Co., Ltd. (3 from 1,764 patents)

2. Felica Networks, Inc. (1 from 121 patents)


4 patents:

1. 12277198 - Information processing device, information processing method, and information processing system

2. 9894816 - Circuit module

3. 9160825 - Communication module

4. 8849362 - Communication module

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as of
12/15/2025
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