Growing community of inventors

Kawasaki, Japan

Haruhisa Sakuma

Average Co-Inventor Count = 4.44

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 = 3

Haruhisa SakumaMakoto Kawasaki (2 patents)Haruhisa SakumaNaoki Iwasa (2 patents)Haruhisa SakumaYoshihisa Harada (2 patents)Haruhisa SakumaHideto Ito (1 patent)Haruhisa SakumaHaruhisa Sakuma (2 patents)Makoto KawasakiMakoto Kawasaki (10 patents)Naoki IwasaNaoki Iwasa (6 patents)Yoshihisa HaradaYoshihisa Harada (2 patents)Hideto ItoHideto Ito (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (2 from 39,244 patents)


2 patents:

1. 7540023 - Information processing apparatus and authentication program storage medium

2. 7398555 - Electronic apparatus and medium

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as of
1/5/2026
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