Growing community of inventors

Kawasaki, Japan

Eiko Maruyama

Average Co-Inventor Count = 6.00

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 = 12

Eiko MaruyamaKoji Kobayashi (1 patent)Eiko MaruyamaToshinari Matsui (1 patent)Eiko MaruyamaShigeru Kubo (1 patent)Eiko MaruyamaKunifumi Iwasaki (1 patent)Eiko MaruyamaKenzo Shimizu (1 patent)Eiko MaruyamaEiko Maruyama (1 patent)Koji KobayashiKoji Kobayashi (5 patents)Toshinari MatsuiToshinari Matsui (2 patents)Shigeru KuboShigeru Kubo (2 patents)Kunifumi IwasakiKunifumi Iwasaki (1 patent)Kenzo ShimizuKenzo Shimizu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (1 from 39,245 patents)


1 patent:

1. 5442545 - System for automatically managing information about electronic equipment

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1/13/2026
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