Growing community of inventors

Fukuoka-ken, Japan

Akio Otsuka

Average Co-Inventor Count = 4.00

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 = 5

Akio OtsukaNaoki Minamoto (1 patent)Akio OtsukaAkira Yamaguro (1 patent)Akio OtsukaTomohiro Tokunaga (1 patent)Akio OtsukaAkio Otsuka (1 patent)Naoki MinamotoNaoki Minamoto (9 patents)Akira YamaguroAkira Yamaguro (6 patents)Tomohiro TokunagaTomohiro Tokunaga (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aisin Seiki Kabushiki Kaisha (1 from 5,207 patents)

2. Kabushiki Kaisha Semitsu (1 from 1 patent)


1 patent:

1. 5711232 - Heater means for stirling engines

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12/16/2025
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