Growing community of inventors

Tokyo, Japan

Hiroshi Shirakura

Average Co-Inventor Count = 2.00

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 = 2

Hiroshi ShirakuraSeiichiro Morikawa (1 patent)Hiroshi ShirakuraHiroshi Shirakura (1 patent)Seiichiro MorikawaSeiichiro Morikawa (19 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 5255084 - Image processing apparatus for determining rates of OCR for every colors

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12/13/2025
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