Growing community of inventors

Hitachi, Japan

Syoji Ukei

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 = 6

Syoji UkeiTomoji Kitagishi (1 patent)Syoji UkeiShigetaka Furukawa (1 patent)Syoji UkeiSyoji Ukei (1 patent)Tomoji KitagishiTomoji Kitagishi (10 patents)Shigetaka FurukawaShigetaka Furukawa (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,526 patents)


1 patent:

1. 5640664 - Envelope feeding apparatus and electronic machine having envelope

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as of
1/16/2026
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