Growing community of inventors

Tottori, Japan

Yoshio Oka

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 = 20

Yoshio Oka ↔ Jyoji Kitakaze (1 patent)Yoshio OkaYoshio Oka (1 patent)Jyoji KitakazeJyoji Kitakaze (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (1 from 8,780 patents)


1 patent:

1. D285644 - Pressure cooker

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as of
12/21/2025
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