Growing community of inventors

Tokyo, Japan

Hiroyuki Hiraga

Average Co-Inventor Count = 3.00

ph-index = 5

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 = 170

Hiroyuki HiragaYoshitaka Watanabe (5 patents)Hiroyuki HiragaYoshiyuki Mizoguchi (5 patents)Hiroyuki HiragaShigeru Fukuyama (2 patents)Hiroyuki HiragaHisashi Arakida (1 patent)Hiroyuki HiragaHiroyuki Hiraga (6 patents)Yoshitaka WatanabeYoshitaka Watanabe (49 patents)Yoshiyuki MizoguchiYoshiyuki Mizoguchi (21 patents)Shigeru FukuyamaShigeru Fukuyama (4 patents)Hisashi ArakidaHisashi Arakida (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Canon Kabushiki Kaisha (5 from 90,594 patents)

2. Disco Corporation (1 from 1,552 patents)


6 patents:

1. 10950451 - Cutting apparatus

2. 5436652 - Ink jet apparatus including ink containing unit provided lower than

3. 5019839 - Recording apparatus having a movable sheet guide member

4. 4926196 - Ink jet printer

5. 4888602 - Recording apparatus with bipositional sheet guiding member

6. 4884909 - Recording apparatus

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as of
12/8/2025
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