Growing community of inventors

Susono, Japan

Ryozo Oba

Average Co-Inventor Count = 1.29

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 = 40

Ryozo ObaTakeo Nishijima (1 patent)Ryozo ObaYasuichi Kishino (1 patent)Ryozo ObaRyozo Oba (3 patents)Takeo NishijimaTakeo Nishijima (6 patents)Yasuichi KishinoYasuichi Kishino (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tokyo Electric Co. (2 from 492 patents)

2. Toshiba Tec Kabushiki Kaisha (1 from 6,190 patents)


3 patents:

1. 6072599 - Facsimile apparatus

2. 4815878 - Printing apparatus and a paper controlling method for a printer wherein

3. 4602880 - Dot printing device

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