Growing community of inventors

Kobe, Japan

Masaru Izawa

Average Co-Inventor Count = 2.46

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 = 86

Masaru Izawa ↔ Kunio Goto (3 patents)Masaru Izawa ↔ Yoshiaki Kusaba (1 patent)Masaru Izawa ↔ Takahiro Takano (1 patent)Masaru Izawa ↔ Kunio Godo (1 patent)Masaru Izawa ↔ Yoshihisa Ujita (1 patent)Masaru Izawa ↔ Noriko Ujita, Legal Representative (1 patent)Masaru Izawa ↔ Kenji Tsubouchi (1 patent)Masaru Izawa ↔ Yoshihisa (deceased) Ujita (1 patent)Masaru Izawa ↔ Takahiro Takano (1 patent)Masaru IzawaMasaru Izawa (5 patents)Kunio GotoKunio Goto (42 patents)Yoshiaki KusabaYoshiaki Kusaba (8 patents)Takahiro TakanoTakahiro Takano (4 patents)Kunio GodoKunio Godo (1 patent)Yoshihisa UjitaYoshihisa Ujita (1 patent)Noriko Ujita, Legal RepresentativeNoriko Ujita, Legal Representative (1 patent)Kenji TsubouchiKenji Tsubouchi (1 patent)Yoshihisa (deceased) UjitaYoshihisa (deceased) Ujita (1 patent)Takahiro TakanoTakahiro Takano (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Metal Industries, Inc. (5 from 929 patents)

2. Nippon Steel Corporation (3,548 patents)


5 patents:

1. 8333847 - Chemical conversion treatment liquid

2. 7918945 - Method for manufacturing surface treated steel material using a chemical conversion treatment liquid

3. 7666266 - Surface conditioning prior to chemical conversion treatment of a steel member

4. 6756092 - Surface treated steel material, a method for its manufacture, and a chemical conversion treatment liquid

5. 5928441 - Hot rolling method of steel products and hot rolling roll for steel

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as of
12/11/2025
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