Growing community of inventors

Ibaraki, Japan

Tamayo Tokuda

Average Co-Inventor Count = 3.00

ph-index = 3

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 = 121

Tamayo TokudaHiroshi Tsuji (3 patents)Tamayo TokudaHisao Mase (3 patents)Tamayo TokudaTamayo Tokuda (3 patents)Hiroshi TsujiHiroshi Tsuji (51 patents)Hisao MaseHisao Mase (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (3 from 42,485 patents)


3 patents:

1. 6401073 - Method and system for managing workflow

2. 6038541 - Method and system for managing workflow of electronic documents

3. 5878398 - Method and system for managing workflow of electronic documents

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as of
12/7/2025
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