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Yoshiro Hirai

USPTO Granted Patents = 2

EPO Patents = 1

Average Co-Inventor Count = 2.9

ph-index = 1

Forward Citations = 9(Granted Patents)

Location History:

Tokorozawa, JA (1978)
Saitama, JP (2020)

Company Filing History:

Citizen Watch Company, Ltd.

Years Active: 1978-2020

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2 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10793935 - Carbon-containing steel material and method for producing same (2020-10-06),

2. 4095129 - Rotor assembly for electro-mechanical transducer of electronic timepiece (1978-06-13),

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