Growing community of inventors

Tokyo, Japan

Daiji Nakagawa

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 = 0

Daiji Nakagawa ↔ Hiromichi Akiyama (1 patent)Daiji Nakagawa ↔ Shinsuke Horibe (1 patent)Daiji Nakagawa ↔ Takahiro Shimekake (1 patent)Daiji Nakagawa ↔ Sakae Ishida (1 patent)Daiji Nakagawa ↔ Joji Matsubara (1 patent)Daiji NakagawaDaiji Nakagawa (1 patent)Hiromichi AkiyamaHiromichi Akiyama (16 patents)Shinsuke HoribeShinsuke Horibe (4 patents)Takahiro ShimekakeTakahiro Shimekake (1 patent)Sakae IshidaSakae Ishida (1 patent)Joji MatsubaraJoji Matsubara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Motor Company Limited (1 from 13,395 patents)

2. Meidensha Corporation (1 from 303 patents)


1 patent:

1. D1009937 - Rotating machine for vehicle

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as of
12/7/2025
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