Growing community of inventors

Saitama, Japan

Hiroshi Shiina

Average Co-Inventor Count = 3.00

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 = 20

Hiroshi Shiina ↔ Toshikazu Hatsuse (1 patent)Hiroshi Shiina ↔ Sadao Ode (1 patent)Hiroshi ShiinaHiroshi Shiina (1 patent)Toshikazu HatsuseToshikazu Hatsuse (9 patents)Sadao OdeSadao Ode (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Citizen Watch Company, Ltd. (1 from 2,002 patents)


1 patent:

1. 4543692 - Clasp for ornaments

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12/7/2025
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