Growing community of inventors

Hamamatsu, Japan

Masahiro Ikuma

Average Co-Inventor Count = 1.20

ph-index = 4

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 = 101

Masahiro IkumaYoujiro Takabayashi (1 patent)Masahiro IkumaTakashi Norimatsu (1 patent)Masahiro IkumaMasahiro Ikuma (4 patents)Youjiro TakabayashiYoujiro Takabayashi (8 patents)Takashi NorimatsuTakashi Norimatsu (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Suzuki Motor Corporation (2 from 1,418 patents)

2. Nippon Gakki Seizo Kabushiki Kaisha (2 from 841 patents)


4 patents:

1. 5802671 - Vibration-preventing device for a door in a vehicle

2. 5395084 - Cup holder for automobile

3. 4723468 - Electronic stringed instrument

4. 4501186 - Pickup device for stringed musical instrument

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as of
12/16/2025
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