Growing community of inventors

Yokohama, Japan

Takayasu Yamakawa

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 = 24

Takayasu Yamakawa ↔ Mitsuru Doki (1 patent)Takayasu YamakawaTakayasu Yamakawa (1 patent)Mitsuru DokiMitsuru Doki (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,517 patents)


1 patent:

1. 4580211 - Method for controlling storage of data sets in memory unit

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