Trademarks = 1

Forward Citations = 27

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2 inventors (with patents filed for the assignee):

Masayuki Kurokawa (3 out of 12 patents)

Kenji Ekuan (1 out of 16 patents)

4 patents: Sort by Forward Citations

1. D251870 - Adjustable lamp (1979-05-15),

2. D251687 - Lamp (1979-04-24),

3. D251686 - Lamp (1979-04-24),

4. 3962678 - Lighting apparatus (1976-06-08),

Yamagiwa Electric Co. Ltd. is a leading manufacturer of electrical products, specializing in a wide range of lighting solutions. With a focus on innovation and quality, Yamagiwa has been providing cutting-edge electrical equipment to customers worldwide for over 70 years.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#2,786 in Tokyo

#7,416 in Japan

Tokyo, Japan

Yamagiwa Electric Co. Ltd.

Forward Citations = 27

2 inventors:

Masayuki Kurokawa (3 out of 12 patents)

Kenji Ekuan (1 out of 16 patents)

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