Growing community of inventors

Chiba Prefecture, Japan

Izuma Kutsuwa

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 = 2

Izuma Kutsuwa ↔ John George Chambers (1 patent)Izuma Kutsuwa ↔ David Serridge (1 patent)Izuma KutsuwaIzuma Kutsuwa (1 patent)John George ChambersJohn George Chambers (16 patents)David SerridgeDavid Serridge (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lever Brothers Company (1 from 1,003 patents)


1 patent:

1. 5968890 - Cleansing composition containing polyethylene glycol

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as of
12/29/2025
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