Growing community of inventors

Tokyo, Japan

Qi Zhang

Average Co-Inventor Count = 1.50

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 = 1

Qi ZhangHideki Tsutsui (1 patent)Qi ZhangRumiko Hashiba (1 patent)Qi ZhangQi Zhang (2 patents)Hideki TsutsuiHideki Tsutsui (14 patents)Rumiko HashibaRumiko Hashiba (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Toshiba (2 from 52,722 patents)


2 patents:

1. 9134833 - Electronic apparatus, method, and non-transitory computer-readable storage medium

2. 8938123 - Electronic device and handwritten document search method

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12/10/2025
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