Growing community of inventors

Sakai, Japan

Sadao Ishihara

Average Co-Inventor Count = 2.00

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 = 25

Sadao IshiharaToshihiko Sakow (2 patents)Sadao IshiharaIsao Katayama (2 patents)Sadao IshiharaMasaaki Sakai (1 patent)Sadao IshiharaTaro Etoh (1 patent)Sadao IshiharaTouma Shimoyama (1 patent)Sadao IshiharaSadao Ishihara (5 patents)Toshihiko SakowToshihiko Sakow (8 patents)Isao KatayamaIsao Katayama (2 patents)Masaaki SakaiMasaaki Sakai (15 patents)Taro EtohTaro Etoh (1 patent)Touma ShimoyamaTouma Shimoyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Minolta Camera Kabushiki Kaisha (5 from 2,979 patents)


5 patents:

1. 4838720 - Paper guide of printer for word-processor

2. D266568 - Combined copy machine and storage support or similar article

3. D261145 - Copier or similar article

4. D254181 - Copying machine

5. 4157222 - Document hold-down cover for use in copying apparatus

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as of
12/11/2025
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