Growing community of inventors

Yamanashi, Japan

Toshio Narusawa

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 = 12

Toshio NarusawaRyoji Higashi (1 patent)Toshio NarusawaToshio Narusawa (1 patent)Ryoji HigashiRyoji Higashi (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pioneer Electronic Corporation (1 from 2,861 patents)

2. Pioneer Video Corporation (1 from 96 patents)


1 patent:

1. 4766504 - Video disk and recorder with time recorded twice

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as of
12/18/2025
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