Growing community of inventors

Kitakyusyushi, Japan

Kazuo Hamai

Average Co-Inventor Count = 5.00

ph-index = 2

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 = 10

Kazuo Hamai ↔ Kiyoshi Sawano (1 patent)Kazuo Hamai ↔ Masataka Matsuo (1 patent)Kazuo Hamai ↔ Tomohide Takeuchi (1 patent)Kazuo Hamai ↔ Masanobu Egashira (1 patent)Kazuo Hamai ↔ Mituo Sugawara (1 patent)Kazuo Hamai ↔ Fukuoka Hiromi (1 patent)Kazuo Hamai ↔ Tatsumi Saito (1 patent)Kazuo Hamai ↔ Tokuaki Hatta (1 patent)Kazuo HamaiKazuo Hamai (2 patents)Kiyoshi SawanoKiyoshi Sawano (6 patents)Masataka MatsuoMasataka Matsuo (5 patents)Tomohide TakeuchiTomohide Takeuchi (3 patents)Masanobu EgashiraMasanobu Egashira (1 patent)Mituo SugawaraMituo Sugawara (1 patent)Fukuoka HiromiFukuoka Hiromi (1 patent)Tatsumi SaitoTatsumi Saito (1 patent)Tokuaki HattaTokuaki Hatta (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Steel Corporation (2 from 3,554 patents)

2. Kurosaki Yogyo Co., Ltd. (1 from 2 patents)


2 patents:

1. 6145581 - Twin drum type sheet steel continuous casting device and continuous

2. 4416999 - Refractory powder flame projection moldings

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as of
12/21/2025
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