Growing community of inventors

Tokyo, Japan

Yoshiyuki Katoh

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 = 59

Yoshiyuki KatohJunichi Arikawa (5 patents)Yoshiyuki KatohToru Inage (5 patents)Yoshiyuki KatohWataru Iida (5 patents)Yoshiyuki KatohHideo Atsumi (5 patents)Yoshiyuki KatohYoshiyuki Katoh (6 patents)Junichi ArikawaJunichi Arikawa (28 patents)Toru InageToru Inage (10 patents)Wataru IidaWataru Iida (7 patents)Hideo AtsumiHideo Atsumi (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Laurel Bank Machines Company, Ltd. (5 from 138 patents)

2. Nec Corporation (1 from 35,670 patents)


6 patents:

1. 5996993 - Bill handling machine

2. 5927936 - Bill handling machine

3. 5897114 - Bill handling machine

4. 5836577 - Bill handling machine

5. 5813825 - Bill handling machine

6. 5789967 - Semiconductor device with boost voltage supply means

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as of
12/13/2025
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