Growing community of inventors

Kobe, Japan

Kazuhiko Hamada

Average Co-Inventor Count = 2.68

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 = 5

Kazuhiko HamadaYasufumi Kaneda (2 patents)Kazuhiko HamadaKatsuto Tamai (2 patents)Kazuhiko HamadaAkito Maeda (2 patents)Kazuhiko HamadaTadashi Furumoto (2 patents)Kazuhiko HamadaKoichi Nakaoji (2 patents)Kazuhiko HamadaYuta Inami (2 patents)Kazuhiko HamadaKoji Sagata (1 patent)Kazuhiko HamadaMasashi Nakamura (1 patent)Kazuhiko HamadaShunsuke Kobayashi (1 patent)Kazuhiko HamadaIsamu Umegaki (1 patent)Kazuhiko HamadaKeiko Kitamura (1 patent)Kazuhiko HamadaMasahito Isayama (1 patent)Kazuhiko HamadaNoriyasu Ozawa (1 patent)Kazuhiko HamadaMisaki Toyoshima (1 patent)Kazuhiko HamadaMasahiro Morisaki (1 patent)Kazuhiko HamadaTakashi Moriki (1 patent)Kazuhiko HamadaKosuke Fujita (1 patent)Kazuhiko HamadaKazuhiko Hamada (5 patents)Yasufumi KanedaYasufumi Kaneda (25 patents)Katsuto TamaiKatsuto Tamai (16 patents)Akito MaedaAkito Maeda (2 patents)Tadashi FurumotoTadashi Furumoto (2 patents)Koichi NakaojiKoichi Nakaoji (2 patents)Yuta InamiYuta Inami (2 patents)Koji SagataKoji Sagata (6 patents)Masashi NakamuraMasashi Nakamura (5 patents)Shunsuke KobayashiShunsuke Kobayashi (3 patents)Isamu UmegakiIsamu Umegaki (1 patent)Keiko KitamuraKeiko Kitamura (1 patent)Masahito IsayamaMasahito Isayama (1 patent)Noriyasu OzawaNoriyasu Ozawa (1 patent)Misaki ToyoshimaMisaki Toyoshima (1 patent)Masahiro MorisakiMasahiro Morisaki (1 patent)Takashi MorikiTakashi Moriki (1 patent)Kosuke FujitaKosuke Fujita (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Osaka University (2 from 985 patents)

2. Denso Ten Limited (2 from 276 patents)

3. Pias Corporation (2 from 2 patents)

4. Toyota Jidosha Kabushiki Kaisha (1 from 36,499 patents)

5. Fujitsu Ten Limited (1 from 902 patents)

6. Onkyo Corporation (1 from 183 patents)


5 patents:

1. 10999662 - Speaker device

2. 10764662 - Speaker system and enclosure structure of speaker system

3. 9486465 - Attractant for bone marrow stem cells and method for attracting bone marrow stem cells

4. 9458429 - Mesenchymal stem cell attractant and method for attracting mesenchymal stem cell

5. 7292706 - Support structure of loudspeaker unit and loudspeaker system

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12/8/2025
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