Growing community of inventors

Tokyo, Japan

Akira Umetsu

Average Co-Inventor Count = 3.43

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 = 8

Akira UmetsuHiroyuki Kaito (2 patents)Akira UmetsuYoshitaka Yoshimura (1 patent)Akira UmetsuKusuo Furukawa (1 patent)Akira UmetsuHidehiko Kimishima (1 patent)Akira UmetsuAkira Umetsu (2 patents)Hiroyuki KaitoHiroyuki Kaito (9 patents)Yoshitaka YoshimuraYoshitaka Yoshimura (13 patents)Kusuo FurukawaKusuo Furukawa (8 patents)Hidehiko KimishimaHidehiko Kimishima (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kawasaki Steel Corporation (2 from 1,256 patents)


2 patents:

1. 6237205 - Reversing cold rolling apparatus

2. 6228321 - Box annealing furnace method for annealing metal sheet using the same and annealed metal sheet

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as of
12/6/2025
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