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Forward Citations = 158

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9 inventors (with patents filed for the assignee):

Yasuhiro Kato (3 out of 18 patents)

Yoshito Hayakawa (3 out of 3 patents)

Reijiro Yamada (3 out of 3 patents)

4. Mitsuhiro Koyama (2 out of 4 patents)

5. Isao Yamada (1 out of 9 patents)

6. Mitsuyuki Ikeda (1 out of 1 patent)

7. Yumiko Komori (1 out of 1 patent)

8. Nobuo Suzuki (1 out of 58 patents)

9. Yoshito Hayakawa (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. D337173 - Balancing arm for a medical lamp (1993-07-06),

2. D336146 - Shadowless lamp for medical use (1993-06-01),

3. D335360 - Shadowless lamp for medical use (1993-05-04),

4. 5068767 - Automatic focus position adjusting unit for use in shadowless lighting (1991-11-26),

5. 4639838 - Shadowless lighting equipment for medical use (1987-01-27),

6. 4384315 - Photographic flash device for use with a shadowless lamp for surgical (1983-05-17),

7. 4316237 - Lighting fixture for use in medical operations and therapeutic treatment (1982-02-16),

8. 4130858 - Lamp-moving device (1978-12-19),

9. 4025778 - Focusing device for sealed type multi-lamp for obtaining shadowless (1977-05-24),

10. 4025777 - Clinical illumination apparatus (1977-05-24),

Yamada Iryo Shomei Kabushiki Kaisha is a healthcare company specializing in medical equipment and supplies. With a focus on providing high-quality products and services, the company has established itself as a trusted name in the industry. From diagnostic tools to surgical instruments, Yamada Iryo Shomei Kabushiki Kaisha offers a wide range of solutions to meet the needs of healthcare professionals and patients alike.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

10 Patents

#1,687 in Tokyo

#4,288 in Japan

#54,349 in the World

Tokyo, Japan

Yamada Iryo Shomei Kabushiki Kaisha