Growing community of inventors

Osaka, Japan

Etsuko Kubota

Average Co-Inventor Count = 4.00

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 = 10

Etsuko Kubota ↔ Osamu Harada (1 patent)Etsuko Kubota ↔ Tadahisa Hatogai (1 patent)Etsuko Kubota ↔ Shoji Ishikawa (1 patent)Etsuko KubotaEtsuko Kubota (1 patent)Osamu HaradaOsamu Harada (5 patents)Tadahisa HatogaiTadahisa Hatogai (1 patent)Shoji IshikawaShoji Ishikawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)


1 patent:

1. D249292 - Desk lamp

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1/9/2026
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