Growing community of inventors

Tokyo, Japan

Akihiko Matsuo

Average Co-Inventor Count = 2.25

ph-index = 3

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 = 78

Akihiko Matsuo ↔ Akio Takeda (2 patents)Akihiko Matsuo ↔ Tsunemi Kawashima (1 patent)Akihiko Matsuo ↔ Kiyoshi Fujii (1 patent)Akihiko MatsuoAkihiko Matsuo (3 patents)Akio TakedaAkio Takeda (13 patents)Tsunemi KawashimaTsunemi Kawashima (17 patents)Kiyoshi FujiiKiyoshi Fujii (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seikosha Co., Ltd. (3 from 696 patents)


3 patents:

1. D350364 - Printer for computer

2. D323850 - Printer for a computer

3. D321713 - Printer for a computer

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as of
12/17/2025
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