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Shizuoka, Japan

Masashi Mizushima

This inventor holds 6 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1977-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Mizushima. Retrieved from https://idiyas.com/inventor/masashi-mizushima

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 3

Forward Citations = 50(Granted Patents)

Location History:

Hachioji, JA (1977 - 1978)
Hachioji, JP (1980)
Shizuoka, JP (1982 - 1984)

Company Filing History:

6 out of 42,731

Years Active: 1977-1984

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4427917 - Television camera tube with electrostatic focusing (1984-01-24),

2. 4363996 - Vidicon type camera tube (1982-12-14),

3. 4354138 - Television camera tube with electrostatic focusing and magnetic (1982-10-12),

4. 4193095 - Driver system of memory type gray-scale display panel (1980-03-11),

5. 4066929 - Electron-acceleration type flatgas-discharge panel with internal memory (1978-01-03),

6. 4053812 - System for driving a display device (1977-10-11),

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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