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Woburn, MA, United States of America

Matsushita Electric Works R&d Laboratory, Inc.

USPTO Granted Patents = 15

Forward Citations = 256

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15 inventors (with patents filed for the assignee):

Jakob Maya (6 out of 75 patents)

Yiyoung Sun (3 out of 13 patents)

Jagannathan Ravi (2 out of 11 patents)

4. Tokushi Yamauchi (2 out of 11 patents)

5. Da Feng Weng (2 out of 3 patents)

6. Dominic Barbuto (2 out of 3 patents)

7. Takeshi Goriki (1 out of 17 patents)

8. Tsutomu Shiomi (1 out of 9 patents)

9. Alan C Gallagher (1 out of 7 patents)

10. Kiyoaki Uchihashi (1 out of 1 patent)

11. Shin Ukegawa (1 out of 1 patent)

12. Oleg A Popov (1 out of 18 patents)

13. Pradeep Kumar Nandam (1 out of 3 patents)

14. Kiyoaki Uchihashi (1 out of 1 patent)

15. Ajay Maheshwari (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 6448720 - Circuit for driving an HID lamp (2002-09-10),

2. 6380694 - Variable structure circuit topology for HID lamp electronic ballasts (2002-04-30),

3. 6144172 - Method and driving circuit for HID lamp electronic ballast (2000-11-07),

4. 6121730 - Metal hydrides lamp and fill for the same (2000-09-19),

5. 6034489 - Electronic ballast circuit (2000-03-07),

6. 6020691 - Driving circuit for high intensity discharge lamp electronic ballast (2000-02-01),

7. 5990624 - Color sulfur lamp including means for intercepting and re-mitting light (1999-11-23),

8. 5986901 - Power factor correction circuit for a power supply (1999-11-16),

9. 5959410 - Charge pump power factor correction circuit for power supply for gas (1999-09-28),

10. 5932976 - Discharge lamp driving (1999-08-03),

11. 5637965 - Low pressure sodium-mercury lamp yielding substantially white light (1997-06-10),

12. 5592052 - Variable color temperature fluorescent lamp (1997-01-07),

13. 5541477 - Self ballasted compact fluorescent lamp (1996-07-30),

14. 5500574 - Inductively coupled substantially flat fluorescent light source (1996-03-19),

15. 5455484 - Adapter for simultaneously powering multiple compact fluorescent lamps (1995-10-03),

Matsushita Electric Works R&d Laboratory, Inc. is a research and development company specializing in electrical and electronic technologies. They focus on creating innovative solutions for various industries, including home appliances, lighting, and building systems. With a track record of pioneering advancements in the field, Matsushita Electric Works R&d Laboratory, Inc. continues to push the boundaries of technology to create a better world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

15 Patents

#46 in Woburn, MA

#1,232 in Massachusetts

#20,409 in US

#38,696 in the World

Woburn, MA, United States of America

Matsushita Electric Works R&d Laboratory, Inc.

Forward Citations = 256

15 inventors:

Jakob Maya (6 out of 75 patents)

Yiyoung Sun (3 out of 13 patents)

Jagannathan Ravi (2 out of 11 patents)

4. Tokushi Yamauchi (2 out of 11 patents)

5. Da Feng Weng (2 out of 3 patents)

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