% Expired Patents = 60.0

Forward Citations = 7

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4 inventors (with patents filed for the assignee):

Nobuhiko Kubo (4 out of 4 patents)

Kuniaki Takahashi (2 out of 78 patents)

Sanekazu Igari (1 out of 4 patents)

4. Yutaka Hatakeyama (1 out of 6 patents)

5 patents: Sort by Forward Citations

1. 10406725 - Light source apparatus for resin curing (2019-09-10),

2. 10113713 - Light irradiation apparatus and optical fiber path used in the light irradiation apparatus (2018-10-30),

3. 8891078 - Solar simulator (2014-11-18),

4. 8646925 - Solar simulator (2014-02-11),

5. 4958909 - Method of adjusting light source position in convergence device (1990-09-25),

Company Overview

Yamashita Denso Corporation is a leading provider of electrical equipment and components for automotive and industrial applications. With a focus on innovation and quality, the company is dedicated to providing reliable and efficient solutions to its customers worldwide. Through a commitment to continuous improvement and customer satisfaction, Yamashita Denso Corporation has established itself as a trusted partner in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#4 in Hachioji

#6,654 in Japan

Hachioji, Japan

Yamashita Denso Corporation

Forward Citations = 7

4 inventors:

Nobuhiko Kubo (4 out of 4 patents)

Kuniaki Takahashi (2 out of 78 patents)

Sanekazu Igari (1 out of 4 patents)

4. Yutaka Hatakeyama (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yamashita Denso Corporation. Retrieved from https://idiyas.com/company/yamashita-denso

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]