Growing community of inventors

Chiba, Japan

Ryoichi Tanaka

Average Co-Inventor Count = 6.00

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 = 6

Ryoichi Tanaka ↔ Peter Seelmann (1 patent)Ryoichi Tanaka ↔ Egbert Schoela (1 patent)Ryoichi Tanaka ↔ Ingulf Stuelpnagel (1 patent)Ryoichi Tanaka ↔ Motoji Tashiro (1 patent)Ryoichi Tanaka ↔ Johannes Kistenich (1 patent)Ryoichi TanakaRyoichi Tanaka (1 patent)Peter SeelmannPeter Seelmann (7 patents)Egbert SchoelaEgbert Schoela (5 patents)Ingulf StuelpnagelIngulf Stuelpnagel (1 patent)Motoji TashiroMotoji Tashiro (1 patent)Johannes KistenichJohannes Kistenich (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Roehm Gmbh & Co Kg (1 from 103 patents)


1 patent:

1. 7665574 - Soundproofing restraining system

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as of
12/13/2025
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