Growing community of inventors

Nishinomiya, Japan

Takahiro Kawashima

Average Co-Inventor Count = 2.47

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

Takahiro KawashimaTsunetoshi Goto (2 patents)Takahiro KawashimaHiroyuki Hirata (2 patents)Takahiro KawashimaToshinobu Tanigawa (2 patents)Takahiro KawashimaYasuo Onitake (1 patent)Takahiro KawashimaRyosuke Ashida (1 patent)Takahiro KawashimaMiwa Hattori (1 patent)Takahiro KawashimaYu Yamamoto (1 patent)Takahiro KawashimaMitsutoshi Kichise (1 patent)Takahiro KawashimaTakahiro Kawashima (7 patents)Tsunetoshi GotoTsunetoshi Goto (6 patents)Hiroyuki HirataHiroyuki Hirata (5 patents)Toshinobu TanigawaToshinobu Tanigawa (2 patents)Yasuo OnitakeYasuo Onitake (5 patents)Ryosuke AshidaRyosuke Ashida (3 patents)Miwa HattoriMiwa Hattori (1 patent)Yu YamamotoYu Yamamoto (1 patent)Mitsutoshi KichiseMitsutoshi Kichise (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kawasaki Railcar Manufacturing Co., Ltd. (5 from 19 patents)

2. Kawasaki Jukogyo Kabushiki Kaisha (2 from 3,322 patents)

3. Narita Mfg., Ltd. (2 patents)


7 patents:

1. 12241252 - Handrail

2. 12152625 - Fixture

3. 11548538 - Heating floor panel unit and floor structure of railcar

4. 11492025 - Railcar floor structure

5. 11479273 - Handhold device of railcar

6. 9482043 - Hinged door

7. 9302684 - Railcar door apparatus and railcar

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as of
12/7/2025
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