Growing community of inventors

Kudamatsu, Japan

Koichiro Otani

Average Co-Inventor Count = 4.00

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 = 69

Koichiro OtaniHideyuki Yamamoto (2 patents)Koichiro OtaniTakeshi Ishizaki (2 patents)Koichiro OtaniShigeru Miyake (2 patents)Koichiro OtaniKoichiro Otani (2 patents)Hideyuki YamamotoHideyuki Yamamoto (59 patents)Takeshi IshizakiTakeshi Ishizaki (54 patents)Shigeru MiyakeShigeru Miyake (28 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (2 from 42,526 patents)


2 patents:

1. 7464152 - Integrated service management system for remote customer support

2. 7085827 - Integrated service management system for remote customer support

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as of
1/18/2026
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