Growing community of inventors

Hino, Japan

Kenji Kumamoto

Average Co-Inventor Count = 2.86

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 = 9

Kenji KumamotoNoboru Koyama (1 patent)Kenji KumamotoSetsuko Kawahara (1 patent)Kenji KumamotoKunitsuna Sasaki (1 patent)Kenji KumamotoRieko Ren (1 patent)Kenji KumamotoNoboru Nakajima (1 patent)Kenji KumamotoKenji Kumamoto (2 patents)Noboru KoyamaNoboru Koyama (39 patents)Setsuko KawaharaSetsuko Kawahara (16 patents)Kunitsuna SasakiKunitsuna Sasaki (15 patents)Rieko RenRieko Ren (6 patents)Noboru NakajimaNoboru Nakajima (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Konica Corporation (2 from 3,106 patents)


2 patents:

1. 5151330 - Magnetic recording medium comprising magnetic particles and a

2. 5116683 - Magnetic recording medium containing a specified ferromagnetic powder,

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as of
12/11/2025
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