Growing community of inventors

Kawasaki, Japan

Leo Macanna

Average Co-Inventor Count = 4.00

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 = 16

Leo MacannaMasashi Nakamura (1 patent)Leo MacannaTakako Satoh (1 patent)Leo MacannaJunichi Outa (1 patent)Leo MacannaLeo Macanna (1 patent)Masashi NakamuraMasashi Nakamura (75 patents)Takako SatohTakako Satoh (11 patents)Junichi OutaJunichi Outa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (1 from 28,546 patents)


1 patent:

1. 5293469 - Apparatus for generating a graphic image having symbols whose centers

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12/14/2025
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