Growing community of inventors

Shanghai, China

Weijiang Sun

Average Co-Inventor Count = 2.73

ph-index = 4

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 = 44

Weijiang Sun ↔ Naoto Tsuruoka (3 patents)Weijiang Sun ↔ Masahiro Yonekawa (2 patents)Weijiang Sun ↔ Hiroko Suzuki (2 patents)Weijiang Sun ↔ Zhiyu Liu (2 patents)Weijiang Sun ↔ Kazuyoshi Yamada (1 patent)Weijiang SunWeijiang Sun (5 patents)Naoto TsuruokaNaoto Tsuruoka (14 patents)Masahiro YonekawaMasahiro Yonekawa (29 patents)Hiroko SuzukiHiroko Suzuki (13 patents)Zhiyu LiuZhiyu Liu (2 patents)Kazuyoshi YamadaKazuyoshi Yamada (53 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (5 from 28,544 patents)


5 patents:

1. D714861 - Printer

2. D712960 - Printer

3. D696341 - Copying machine

4. D687092 - Copying machine

5. D682348 - Printer

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idiyas.com
as of
12/6/2025
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