Growing community of inventors

Kushiro, Japan

Isao Sawayama

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 = 3

Isao SawayamaHajime Endo (1 patent)Isao SawayamaIsao Sawayama (1 patent)Hajime EndoHajime Endo (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Taiheiyo Engineering Corporation (1 from 18 patents)


1 patent:

1. 4099781 - Apparatus for automatically shifting the conveyor at the pit face in the

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as of
12/17/2025
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