Growing community of inventors

Sun Valley, CA, United States of America

Roy Hiroshi Nakahara

Average Co-Inventor Count = 2.00

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

Roy Hiroshi NakaharaFred W Erickson (1 patent)Roy Hiroshi NakaharaRoy Hiroshi Nakahara (1 patent)Fred W EricksonFred W Erickson (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Litton Systems, Inc. (1 from 1,258 patents)


1 patent:

1. 4047049 - Drive circuit with constant current output

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1/9/2026
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