Hamada Printing Press Co., Ltd.

Calculating rank

USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 14

Loading Chart...

8 inventors (with patents filed for the assignee):

Haruhiko Koto (1 out of 8 patents)

Masaru Nakano (1 out of 2 patents)

Hiroyuki Santo (1 out of 2 patents)

4. Osamu Satake (1 out of 2 patents)

5. Makoto Miyaji (1 out of 2 patents)

6. Hirofumi Tsuji (1 out of 1 patent)

7. Akira Fukuda (1 out of 1 patent)

8. Masao Ikeguchi (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 7455401 - Line-dot recorder (2008-11-25),

2. 5263413 - Method and system for synchronously phase-controlling printing roll (1993-11-23),

3. 5059275 - Paper feed preparatory device (1991-10-22),

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#952 in Osaka

#8,938 in Japan

Osaka, Japan

Hamada Printing Press Co., Ltd.

Forward Citations = 14

8 inventors:

Haruhiko Koto (1 out of 8 patents)

Masaru Nakano (1 out of 2 patents)

Hiroyuki Santo (1 out of 2 patents)

4. Osamu Satake (1 out of 2 patents)

5. Makoto Miyaji (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hamada Printing Press Co., Ltd.. Retrieved from https://idiyas.com/company/hamada-printing-press-company

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

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]