Growing community of inventors

Tokyo, Japan

Yuichi Shirai

Average Co-Inventor Count = 6.00

ph-index = 3

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 = 46

Yuichi ShiraiSusumu Takatsuka (7 patents)Yuichi ShiraiTetsuya Naruse (7 patents)Yuichi ShiraiMakoto Tachibana (7 patents)Yuichi ShiraiChikashi Yajima (7 patents)Yuichi ShiraiTakashi Shiina (7 patents)Yuichi ShiraiYuichi Shirai (7 patents)Susumu TakatsukaSusumu Takatsuka (67 patents)Tetsuya NaruseTetsuya Naruse (56 patents)Makoto TachibanaMakoto Tachibana (32 patents)Chikashi YajimaChikashi Yajima (13 patents)Takashi ShiinaTakashi Shiina (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Mobile Communications Inc. (6 from 729 patents)

2. Sony Corporation (5 from 58,130 patents)

3. Sony Group Corporation (3,458 patents)


7 patents:

1. 10638213 - Control method of mobile terminal apparatus

2. 9916004 - Display device

3. 9860625 - Control method of mobile terminal apparatus

4. 9479872 - Audio reproducing method and apparatus

5. 9351090 - Method of checking earphone wearing state

6. 9326058 - Control method of mobile terminal apparatus

7. 8718930 - Acoustic navigation method

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as of
12/24/2025
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