Jiro Yamamoto

USPTO Granted Patents = 3 (Patent Applications = 2)

EPO Patents = 1

Average Co-Inventor Count = 1.0

ph-index = 1

Forward Citations = 5(Granted Patents)

Company Filing History:

Hitachi High-tech Corporation

patents

Years Active: 1994-2025

where 'Filed Patents' based on already Granted Patents

3 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 12487383 - Concave diffraction grating and optical device (2025-12-02),

2. 5361079 - Connector for interconnecting a grid to a grid drive in a chip-in (1994-11-01),

3. 5325015 - Vacuum fluorescent display tube having a built in driving semiconductor (1994-06-28),

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2 patents pending:

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1 patent (EPO):

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