Growing community of inventors

Saitama, Japan

Nobuko Hashikawa

Average Co-Inventor Count = 2.86

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 = 22

Nobuko HashikawaTakashi Aoki (1 patent)Nobuko HashikawaTakeshi Kai (1 patent)Nobuko HashikawaJunichiro Onaka (1 patent)Nobuko HashikawaKazuhiro Onda (1 patent)Nobuko HashikawaRei Sakamoto (1 patent)Nobuko HashikawaNobuko Hashikawa (2 patents)Takashi AokiTakashi Aoki (234 patents)Takeshi KaiTakeshi Kai (21 patents)Junichiro OnakaJunichiro Onaka (17 patents)Kazuhiro OndaKazuhiro Onda (5 patents)Rei SakamotoRei Sakamoto (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Motor Co., Ltd. (2 from 21,862 patents)


2 patents:

1. 8947454 - Display device for vehicle

2. 7611164 - Airbag apparatus

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as of
12/11/2025
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