Growing community of inventors

Tokyo, Japan

Yasuyuki Matsubara

Average Co-Inventor Count = 16.00

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 = 12

Yasuyuki MatsubaraHideki Ikeda (4 patents)Yasuyuki MatsubaraShigeyuki Akihama (4 patents)Yasuyuki MatsubaraHiroaki Nakagawa (4 patents)Yasuyuki MatsubaraMikio Kobayashi (4 patents)Yasuyuki MatsubaraTatsuo Suenaga (4 patents)Yasuyuki MatsubaraTakeo Kikuchi (4 patents)Yasuyuki MatsubaraToshio Furuya (4 patents)Yasuyuki MatsubaraShin Terauchi (4 patents)Yasuyuki MatsubaraShinnosuke Aiba (4 patents)Yasuyuki MatsubaraKatsumi Kosuge (4 patents)Yasuyuki MatsubaraMasato Tanaami (4 patents)Yasuyuki MatsubaraKenji Ago (4 patents)Yasuyuki MatsubaraTakahiro Arai (4 patents)Yasuyuki MatsubaraYutaka Katsuta (4 patents)Yasuyuki MatsubaraShunichi Sugishita (4 patents)Yasuyuki MatsubaraYasuyuki Matsubara (4 patents)Hideki IkedaHideki Ikeda (10 patents)Shigeyuki AkihamaShigeyuki Akihama (10 patents)Hiroaki NakagawaHiroaki Nakagawa (8 patents)Mikio KobayashiMikio Kobayashi (7 patents)Tatsuo SuenagaTatsuo Suenaga (7 patents)Takeo KikuchiTakeo Kikuchi (5 patents)Toshio FuruyaToshio Furuya (5 patents)Shin TerauchiShin Terauchi (4 patents)Shinnosuke AibaShinnosuke Aiba (4 patents)Katsumi KosugeKatsumi Kosuge (4 patents)Masato TanaamiMasato Tanaami (4 patents)Kenji AgoKenji Ago (4 patents)Takahiro AraiTakahiro Arai (4 patents)Yutaka KatsutaYutaka Katsuta (4 patents)Shunichi SugishitaShunichi Sugishita (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kajima Corporation (4 from 150 patents)

2. Kabushiki Kaisha F R C (4 from 4 patents)


4 patents:

1. 5798011 - Method of making window frame for concrete wall panel

2. 5591286 - Method of making window frame for concrete wall panel

3. 5575870 - Method of making window frame for concrete wall panel

4. 5356687 - Window frame for concrete wall panel

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as of
1/7/2026
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