Growing community of inventors

Chiisagata-gun, Nagano, Japan

Hirofusa Shirai

Average Co-Inventor Count = 1.00

ph-index = NA

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 = 0

Hirofusa Shirai ↔ Hisanaga Tsuiki (0 patent)Hirofusa Shirai ↔ Seigo Higaki (0 patent)Hirofusa Shirai ↔ Yasuji Sugihara (0 patent)Hirofusa ShiraiHirofusa Shirai (0 patent)Hisanaga TsuikiHisanaga Tsuiki (0 patent)Seigo HigakiSeigo Higaki (0 patent)Yasuji SugiharaYasuji Sugihara (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shinshu Tlo Co., Ltd. (3 patents)

2. Daiwabo Co., Ltd. (2 patents)


0 patent:

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12/10/2025
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