Growing community of inventors

Shiojiri, Japan

Akira Tooyama

Average Co-Inventor Count = 4.00

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 = 3

Akira Tooyama ↔ Fumito Komatsu (1 patent)Akira Tooyama ↔ Makoto Murakami (1 patent)Akira Tooyama ↔ Hideaki Osada (1 patent)Akira TooyamaAkira Tooyama (1 patent)Fumito KomatsuFumito Komatsu (47 patents)Makoto MurakamiMakoto Murakami (13 patents)Hideaki OsadaHideaki Osada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yugen Kaisha K. R & D (1 from 4 patents)

2. Yugen Kaisha Dijianet (1 from 1 patent)


1 patent:

1. 7948193 - Single phase AC synchronous motor

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12/15/2025
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