Growing community of inventors

Chiyoda-ku, Japan

Koji Obana

Average Co-Inventor Count = 1.71

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 = 0

Koji ObanaRisako Iwata (1 patent)Koji ObanaYui Hamatani (1 patent)Koji ObanaKotaro Saito (1 patent)Koji ObanaJiro Hashimoto (1 patent)Koji ObanaAiri Kato (1 patent)Koji ObanaKoji Obana (2 patents)Risako IwataRisako Iwata (1 patent)Yui HamataniYui Hamatani (1 patent)Kotaro SaitoKotaro Saito (1 patent)Jiro HashimotoJiro Hashimoto (1 patent)Airi KatoAiri Kato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gurunavi, Inc. (2 from 25 patents)


2 patents:

1. 12229820 - Information processing system, information processing method, program, and recording medium

2. 11507637 - Information processing apparatus, information processing method, and program for linking accounts

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as of
1/23/2026
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