Growing community of inventors

Yokkaichi, Japan

Keiji Itagaki

Average Co-Inventor Count = 2.00

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 = 0

Keiji ItagakiTsuyoshi Nonaka (1 patent)Keiji ItagakiKeiji Itagaki (1 patent)Tsuyoshi NonakaTsuyoshi Nonaka (21 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Electric Industries, Limited (1 from 10,240 patents)

2. Sumitomo Wiring Systems, Limited (1 from 6,146 patents)

3. Autonetworks Technologies, Limited (1 from 2,093 patents)


1 patent:

1. 8859900 - Flame-retardant composition, covered electric wire, and wiring harness

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as of
12/9/2025
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