Growing community of inventors

Iwaki, Japan

Masatoshi Ejiri

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 = 6

Masatoshi EjiriManabu Kusano (2 patents)Masatoshi EjiriShinji Wakabayashi (2 patents)Masatoshi EjiriMasatoshi Ejiri (2 patents)Manabu KusanoManabu Kusano (6 patents)Shinji WakabayashiShinji Wakabayashi (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alpine Electronics, Inc. (2 from 937 patents)


2 patents:

1. 7720988 - Method and apparatus for multimedia reproduction

2. 7307935 - Recording and playback apparatus, music-data recording and playback method, and music-data recording and playback program

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as of
12/19/2025
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