Growing community of inventors

Saitama, Japan

Takeo Igarashi

Average Co-Inventor Count = 5.46

ph-index = 2

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 = 10

Takeo IgarashiAkira Sugawara (2 patents)Takeo IgarashiHidekazu Yajima (2 patents)Takeo IgarashiMasaki Nakayama (2 patents)Takeo IgarashiSeiji Ebukuro (2 patents)Takeo IgarashiHiroshi Ogomori (1 patent)Takeo IgarashiTakeo Igarashi (2 patents)Akira SugawaraAkira Sugawara (8 patents)Hidekazu YajimaHidekazu Yajima (7 patents)Masaki NakayamaMasaki Nakayama (4 patents)Seiji EbukuroSeiji Ebukuro (3 patents)Hiroshi OgomoriHiroshi Ogomori (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (2 from 8,782 patents)


2 patents:

1. 6155455 - Vending machine

2. 6019246 - Vending machine

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as of
1/5/2026
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