Growing community of inventors

Kobe, Japan

Chihiro Okayama

Average Co-Inventor Count = 3.27

ph-index = 3

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

Chihiro OkayamaEiichi Kato (3 patents)Chihiro OkayamaToshiyuki Hirashima (2 patents)Chihiro OkayamaAkihiko Tada (2 patents)Chihiro OkayamaTakehiro Nishimura (1 patent)Chihiro OkayamaYasufumi Okumura (1 patent)Chihiro OkayamaSeiichiro Yagi (1 patent)Chihiro OkayamaOsamu Muragishi (1 patent)Chihiro OkayamaYuji Kamei (1 patent)Chihiro OkayamaShuichi Mizuma (1 patent)Chihiro OkayamaSeiichi Hayashi (1 patent)Chihiro OkayamaMitsuhiro Matsumoto (1 patent)Chihiro OkayamaKei Uchida (1 patent)Chihiro OkayamaAkihiro Tada (1 patent)Chihiro OkayamaKazuhiro Onishi (1 patent)Chihiro OkayamaChihiro Okayama (6 patents)Eiichi KatoEiichi Kato (5 patents)Toshiyuki HirashimaToshiyuki Hirashima (22 patents)Akihiko TadaAkihiko Tada (5 patents)Takehiro NishimuraTakehiro Nishimura (52 patents)Yasufumi OkumuraYasufumi Okumura (13 patents)Seiichiro YagiSeiichiro Yagi (13 patents)Osamu MuragishiOsamu Muragishi (11 patents)Yuji KameiYuji Kamei (8 patents)Shuichi MizumaShuichi Mizuma (4 patents)Seiichi HayashiSeiichi Hayashi (3 patents)Mitsuhiro MatsumotoMitsuhiro Matsumoto (3 patents)Kei UchidaKei Uchida (2 patents)Akihiro TadaAkihiro Tada (1 patent)Kazuhiro OnishiKazuhiro Onishi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kawasaki Jukogyo Kabushiki Kaisha (6 from 3,322 patents)


6 patents:

1. 9932049 - Railcar bodyshell

2. 9623882 - Carbody of railcar

3. 9545933 - Air spring and railcar

4. 9315199 - Driver's cab and railcar including driver's cab

5. 9233694 - Railcar including heat-resistant floor

6. 8424463 - Interior structure for railway vehicle

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12/5/2025
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