Yoshiaki Morizumi

This inventor holds 6 USPTO granted patents. Top assignees: Dainippon Screen Mfg. Co., Ltd., Dainippon Screen Manufacturing Co., Ltd.. Active years: 1987-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Morizumi. Retrieved from https://idiyas.com/inventor/yoshiaki-morizumi

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 = 1.3

ph-index = 3

Forward Citations = 48(Granted Patents)

Location History:

Shiga, JP (1987 - 1988)
Moriyama, JP (1989)
Kyoto, JP (1995 - 1997)

Company Filing History:

5 out of 1,306

Dainippon Screen Mfg. Co., Ltd.

patents

1 out of 48

Dainippon Screen Manufacturing Co., Ltd.

patents

Years Active: 1987-1997

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5671004 - Internal drum scanning type image recording apparatus (1997-09-23),

2. 5668588 - Spiral scanning image recording apparatus and image recording method (1997-09-16),

3. 5402155 - Apparatus for scanning drum inner face and method of scanning therefor (1995-03-28),

4. 4823202 - Optical beam-splitting arrangements on image side of a lens (1989-04-18),

5. 4725729 - Apparatus for correcting unevenness of light quantity in an optical (1988-02-16),

6. 4691240 - Image input device and a method of correcting input signals of the same (1987-09-01),

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]