Growing community of inventors

Kanagawa, Japan

Astuhiro Doi

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 3

Astuhiro DoiHiroyuki Kohda (5 patents)Astuhiro DoiKohji Uchida (5 patents)Astuhiro DoiAstuhiro Doi (5 patents)Hiroyuki KohdaHiroyuki Kohda (13 patents)Kohji UchidaKohji Uchida (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (5 from 16,458 patents)


5 patents:

1. 6201594 - Image recording apparatus and application device thereof

2. 6163370 - Image recording apparatus and application device thereof

3. 5923410 - Image recording apparatus and application device thereof

4. 5917583 - Image recording apparatus and application device thereof

5. 5838427 - Image recording apparatus and application device thereof

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as of
1/12/2026
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