Growing community of inventors

Oita, Japan

Kouji 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 = 0

Kouji Oka ↔ Junya Miyata (1 patent)Kouji OkaKouji Oka (1 patent)Junya MiyataJunya Miyata (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mitsui E&s Co., Ltd. (1 from 2 patents)


1 patent:

1. 12139378 - Control system and control method for cranes

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12/18/2025
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