Growing community of inventors

Tokyo, Japan

Katsumi Isogimi

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 = 5

Katsumi IsogimiKatsuhiko Mutoh (1 patent)Katsumi IsogimiOsamu Yamamori (1 patent)Katsumi IsogimiKatsumi Isogimi (1 patent)Katsuhiko MutohKatsuhiko Mutoh (9 patents)Osamu YamamoriOsamu Yamamori (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,912 patents)


1 patent:

1. 6384774 - GPS receiver and terminal device having search frequency band switching function

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1/8/2026
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