Growing community of inventors

Hitachi, Japan

Akira Momiyama

Average Co-Inventor Count = 7.00

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 = 5

Akira Momiyama ↔ Akira Bando (1 patent)Akira Momiyama ↔ Hiroto Nakagawa (1 patent)Akira Momiyama ↔ Yasuteru Oono (1 patent)Akira Momiyama ↔ Osamu Nagura (1 patent)Akira Momiyama ↔ Shigehiro Kayukawa (1 patent)Akira Momiyama ↔ Junichi Shiozaki (1 patent)Akira MomiyamaAkira Momiyama (1 patent)Akira BandoAkira Bando (33 patents)Hiroto NakagawaHiroto Nakagawa (23 patents)Yasuteru OonoYasuteru Oono (10 patents)Osamu NaguraOsamu Nagura (9 patents)Shigehiro KayukawaShigehiro Kayukawa (3 patents)Junichi ShiozakiJunichi Shiozaki (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,488 patents)

2. The Kansai Electric Power Co., Inc. (1 from 195 patents)


1 patent:

1. 4980629 - AC-excited generator/motor apparatus

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as of
12/10/2025
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