Growing community of inventors

Kadoma, Japan

Hiroshi Umeyama

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 = 14

Hiroshi UmeyamaKuniharu Tatetsuki (1 patent)Hiroshi UmeyamaKazuo Nakahi (1 patent)Hiroshi UmeyamaShigemi Sakurai (1 patent)Hiroshi UmeyamaHiroshi Umeyama (1 patent)Kuniharu TatetsukiKuniharu Tatetsuki (3 patents)Kazuo NakahiKazuo Nakahi (2 patents)Shigemi SakuraiShigemi Sakurai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Electric Works, Ltd. (1 from 1,623 patents)


1 patent:

1. 5280631 - Polarization diversity system suitable for radio communication in indoor

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