Growing community of inventors

Wakayama, Japan

Hirofumi Mankawa

Average Co-Inventor Count = 4.50

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 = 6

Hirofumi MankawaRyuichi Iwasaki (3 patents)Hirofumi MankawaShigeru Masuda (2 patents)Hirofumi MankawaMasaaki Mike (2 patents)Hirofumi MankawaHidetaka Matsuuchi (2 patents)Hirofumi MankawaSang Hun Lee (1 patent)Hirofumi MankawaHirofumi Hayashi (1 patent)Hirofumi MankawaKazuhiro Yoshida (1 patent)Hirofumi MankawaHirofumi Mankawa (3 patents)Ryuichi IwasakiRyuichi Iwasaki (10 patents)Shigeru MasudaShigeru Masuda (12 patents)Masaaki MikeMasaaki Mike (5 patents)Hidetaka MatsuuchiHidetaka Matsuuchi (4 patents)Sang Hun LeeSang Hun Lee (14 patents)Hirofumi HayashiHirofumi Hayashi (8 patents)Kazuhiro YoshidaKazuhiro Yoshida (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Saian Corporation (2 from 6 patents)

2. Noritsu Koki Co., Ltd. (1 from 439 patents)

3. Amarante Technologies, Inc. (1 from 8 patents)


3 patents:

1. 8128783 - Plasma generator and work processing apparatus provided with the same

2. 7976672 - Plasma generation apparatus and work processing apparatus

3. 7682482 - Plasma generation apparatus and work processing apparatus

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as of
12/17/2025
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