Growing community of inventors

Shiojiri, Japan

Keisuke Yamaya

Average Co-Inventor Count = 1.22

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 = 7

Keisuke YamayaNaoto Hayakawa (2 patents)Keisuke YamayaKeishi Sawada (1 patent)Keisuke YamayaKenichi Tanioka (1 patent)Keisuke YamayaKeisuke Yamaya (7 patents)Naoto HayakawaNaoto Hayakawa (9 patents)Keishi SawadaKeishi Sawada (7 patents)Kenichi TaniokaKenichi Tanioka (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Epson Corporation (7 from 33,527 patents)


7 patents:

1. 11712908 - Recording device

2. 11697297 - Printing apparatus

3. 10807822 - Recording apparatus

4. 10369819 - Recording apparatus

5. 9944484 - Transport device and recording apparatus

6. 9120338 - Liquid ejection device

7. 8348417 - Rolled medium accommodation device and liquid ejection device

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idiyas.com
as of
1/23/2026
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