Growing community of inventors

Hitachiohta, Japan

Yuuko Kajiyama

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 = 3

Yuuko KajiyamaKenji Tsuchiya (1 patent)Yuuko KajiyamaShuichi Kikukawa (1 patent)Yuuko KajiyamaDaisuke Sugai (1 patent)Yuuko KajiyamaYuuko Kajiyama (1 patent)Kenji TsuchiyaKenji Tsuchiya (59 patents)Shuichi KikukawaShuichi Kikukawa (12 patents)Daisuke SugaiDaisuke Sugai (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,485 patents)


1 patent:

1. 8411418 - Vacuum insulated switchgear

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12/6/2025
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