Growing community of inventors

Funabashi, Japan

Masaaki Ejima

Average Co-Inventor Count = 3.00

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 = 21

Masaaki EjimaTomihisa Kamada (2 patents)Masaaki EjimaAtsushi Murakami (2 patents)Masaaki EjimaMasaaki Ejima (2 patents)Tomihisa KamadaTomihisa Kamada (16 patents)Atsushi MurakamiAtsushi Murakami (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Access Company, Ltd. (2 from 81 patents)


2 patents:

1. 8533708 - Usage period management system for applications

2. 7853495 - Usage period management system for applications

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as of
12/24/2025
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