Growing community of inventors

Saitama, Japan

Harutaka Hayasaka

Average Co-Inventor Count = 7.00

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 = 6

Harutaka Hayasaka ↔ Toshio Toyama (1 patent)Harutaka Hayasaka ↔ Hitoshi Terada (1 patent)Harutaka Hayasaka ↔ Masashi Yajima (1 patent)Harutaka Hayasaka ↔ Tadamasa Tanaka (1 patent)Harutaka Hayasaka ↔ Toru Arai (1 patent)Harutaka Hayasaka ↔ Kazuya Kato (1 patent)Harutaka HayasakaHarutaka Hayasaka (1 patent)Toshio ToyamaToshio Toyama (2 patents)Hitoshi TeradaHitoshi Terada (1 patent)Masashi YajimaMasashi Yajima (1 patent)Tadamasa TanakaTadamasa Tanaka (1 patent)Toru AraiToru Arai (1 patent)Kazuya KatoKazuya Kato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (1 from 58,130 patents)


1 patent:

1. 4847465 - Reflow soldering apparatus

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12/20/2025
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