Forward Citations = 11

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5 inventors (with patents filed for the assignee):

Katsumi Watanabe (3 out of 21 patents)

Yutaka Shiseki (3 out of 4 patents)

Yasuyuki Miura (2 out of 3 patents)

4. Eishi Koike (2 out of 34 patents)

5. Junichi Yagi (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 4438358 - Means for suppressing vibration and noise in a device driven by a small (1984-03-20),

2. 4252326 - Sound reproducing device (1981-02-24),

3. 4198057 - Simplified record player (1980-04-15),

4. 4195843 - Simplified motor assembly and related electrical connection in a _sound (1980-04-01),

5. 4076256 - Stylus shift mechanism for a phonograph having two concentric records (1978-02-28),

Company Overview

Ozen Co., Ltd. is a leading provider of innovative technology solutions for businesses worldwide. We specialize in software development, cloud computing, and cybersecurity services. Our mission is to empower organizations to achieve their digital transformation goals through cutting-edge technology solutions. With a dedicated team of experts and a commitment to excellence, we strive to deliver superior results for our clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#2,721 in Tokyo

#6,654 in Japan

Tokyo, Japan

Ozen Co., Ltd.

Forward Citations = 11

5 inventors:

Katsumi Watanabe (3 out of 21 patents)

Yutaka Shiseki (3 out of 4 patents)

Yasuyuki Miura (2 out of 3 patents)

4. Eishi Koike (2 out of 34 patents)

5. Junichi Yagi (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ozen Co., Ltd.. Retrieved from https://idiyas.com/company/ozen-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]