Growing community of inventors

Oyama, Japan

Koutarou Hagiwara

Average Co-Inventor Count = 3.00

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

Koutarou HagiwaraTatsuya Hanafusa (1 patent)Koutarou HagiwaraMakoto Numasawa (1 patent)Koutarou HagiwaraKoutarou Hagiwara (1 patent)Tatsuya HanafusaTatsuya Hanafusa (13 patents)Makoto NumasawaMakoto Numasawa (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Keihin Thermal Technology Corporation (1 from 43 patents)


1 patent:

1. 10094602 - Condenser

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as of
1/7/2026
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