Growing community of inventors

Chiba, Japan

Satoshi Katsumata

Average Co-Inventor Count = 4.00

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 = 19

Satoshi Katsumata ↔ Masakazu Watanabe (1 patent)Satoshi Katsumata ↔ Satoshi Iio (1 patent)Satoshi Katsumata ↔ Toshimichi Ito (1 patent)Satoshi KatsumataSatoshi Katsumata (1 patent)Masakazu WatanabeMasakazu Watanabe (36 patents)Satoshi IioSatoshi Iio (32 patents)Toshimichi ItoToshimichi Ito (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Idemitsu Petrochemical Co., Ltd. (1 from 555 patents)

2. Ngk Spark Plug Cp. Ltd. (1 from 1 patent)


1 patent:

1. 5028451 - Method of producing sintered hard metal with diamond film

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12/7/2025
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