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London, United Kingdom

David Keech

Average Co-Inventor Count = 6.00

ph-index = 2

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 = 14

David Keech ↔ Yoshiyuki Tanaka (3 patents)David Keech ↔ Hideki Kato (3 patents)David Keech ↔ Kenji Oshima (3 patents)David Keech ↔ Matt Delegate (3 patents)David Keech ↔ Takao Oizumi (2 patents)David Keech ↔ Kohei Usuda (1 patent)David KeechDavid Keech (3 patents)Yoshiyuki TanakaYoshiyuki Tanaka (198 patents)Hideki KatoHideki Kato (31 patents)Kenji OshimaKenji Oshima (21 patents)Matt DelegateMatt Delegate (8 patents)Takao OizumiTakao Oizumi (9 patents)Kohei UsudaKohei Usuda (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Epson Corporation (3 from 33,442 patents)


3 patents:

1. D856413 - Printer

2. D843444 - Printer

3. D815196 - Printer

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idiyas.com
as of
12/25/2025
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