Growing community of inventors

Kawasaki, Japan

Hiroyuki Izumi

Average Co-Inventor Count = 6.00

ph-index = 3

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 = 77

Hiroyuki IzumiTadamitsu Ryu (3 patents)Hiroyuki IzumiMasahiko Murakawa (3 patents)Hiroyuki IzumiTakeshi Adachi (3 patents)Hiroyuki IzumiNaomi Ichikawa (3 patents)Hiroyuki IzumiMasanobu Toyota (3 patents)Hiroyuki IzumiHiroyuki Izumi (3 patents)Tadamitsu RyuTadamitsu Ryu (18 patents)Masahiko MurakawaMasahiko Murakawa (7 patents)Takeshi AdachiTakeshi Adachi (5 patents)Naomi IchikawaNaomi Ichikawa (5 patents)Masanobu ToyotaMasanobu Toyota (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (3 from 39,245 patents)


3 patents:

1. 5594836 - Ennoversion management system for data processing system

2. 5572733 - Data processing system which executes composite objects by combining

3. 5560012 - Object-oriented data processing system

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as of
1/8/2026
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