Growing community of inventors

Yokohama, Japan

Masahi Hiroki

Average Co-Inventor Count = 5.00

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 = 1

Masahi Hiroki ↔ Toru Ushirogouchi (1 patent)Masahi Hiroki ↔ Kazuhiko Ohtsu (1 patent)Masahi Hiroki ↔ Ryozo Akiyama (1 patent)Masahi Hiroki ↔ Mitsuru Ishibashi (1 patent)Masahi HirokiMasahi Hiroki (1 patent)Toru UshirogouchiToru Ushirogouchi (51 patents)Kazuhiko OhtsuKazuhiko Ohtsu (37 patents)Ryozo AkiyamaRyozo Akiyama (30 patents)Mitsuru IshibashiMitsuru Ishibashi (21 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toshiba Tec Kabushiki Kaisha (1 from 6,180 patents)


1 patent:

1. 7579390 - Inkjet ink composition and printed matters created using inkjet ink composition

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12/24/2025
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