Growing community of inventors

Shibuya-ku, Japan

Aya Kojima

Average Co-Inventor Count = 8.00

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 = 2

Aya Kojima ↔ Masahiro Suzuki (1 patent)Aya Kojima ↔ Makoto Taguchi (1 patent)Aya Kojima ↔ Takashi Azuma (1 patent)Aya Kojima ↔ Keisuke Mizutani (1 patent)Aya Kojima ↔ Kenichi Koyama (1 patent)Aya Kojima ↔ Jin Kato (1 patent)Aya Kojima ↔ Tetsuya Asaka (1 patent)Aya KojimaAya Kojima (1 patent)Masahiro SuzukiMasahiro Suzuki (29 patents)Makoto TaguchiMakoto Taguchi (15 patents)Takashi AzumaTakashi Azuma (2 patents)Keisuke MizutaniKeisuke Mizutani (1 patent)Kenichi KoyamaKenichi Koyama (1 patent)Jin KatoJin Kato (1 patent)Tetsuya AsakaTetsuya Asaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kawasaki Jukogyo Kabushiki Kaisha (1 from 3,333 patents)

2. East Japan Railway Company (1 from 18 patents)

3. Japan Transport Engineering Company (1 from 2 patents)


1 patent:

1. 9067606 - Railcar

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as of
1/9/2026
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