Growing community of inventors

Niihama, Japan

Ryuichi Sonoda

Average Co-Inventor Count = 3.00

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 = 1

Ryuichi Sonoda ↔ Mitsuru Tamura (1 patent)Ryuichi Sonoda ↔ Hikaru Nagashima (1 patent)Ryuichi SonodaRyuichi Sonoda (1 patent)Mitsuru TamuraMitsuru Tamura (5 patents)Hikaru NagashimaHikaru Nagashima (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Chemical Company, Limited (1 from 6,896 patents)


1 patent:

1. 4168355 - Process for producing ethylene polymers in tubular reactor

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12/31/2025
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