Growing community of inventors

Kobe, Japan

Kenkichi Itoh

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 = 120

Kenkichi ItohTakao Matsui (2 patents)Kenkichi ItohToshio Murakami (2 patents)Kenkichi ItohKenkichi Itoh (2 patents)Takao MatsuiTakao Matsui (3 patents)Toshio MurakamiToshio Murakami (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kitagawa Industries Co., Inc. (1 from 260 patents)

2. Osaka Filter Co., Ltd. (1 from 1 patent)

3. Needs Kiko Co., Ltd. (1 from 1 patent)


2 patents:

1. 4669688 - Cable clamp

2. 4658950 - Lift apparatus for lifting cigarette filter plugs

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1/9/2026
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