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Tdk-Lambda Corporation

USPTO Granted Patents = 31

% Expired Patents = 38.7

EPO Patents = 4

Trademarks = 3

Forward Citations = 955

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36 inventors (with patents filed for the assignee):

George Rucareanu (6 out of 9 patents)

Jin He (5 out of 30 patents)

Hiroshi Nakazawa (5 out of 17 patents)

4. Jeffrey John Boylan (4 out of 21 patents)

5. Miki Stravets (4 out of 5 patents)

6. Eiji Takegami (3 out of 19 patents)

7. Tadao Senriuchi (3 out of 10 patents)

8. Gordon K Y Lee (3 out of 4 patents)

9. Masahiko Hirokawa (3 out of 11 patents)

10. Takumi Sakamoto (3 out of 3 patents)

11. Noriyuki Hirao (3 out of 3 patents)

12. Carl M Wildrick (3 out of 10 patents)

13. Roman Kufman (3 out of 3 patents)

14. Kazunori Oshima (2 out of 34 patents)

15. Kazushi Watanabe (2 out of 8 patents)

31 patents: Sort by Forward Citations

1. 10674626 - Scalable structure for connection of power supply units (2020-06-02),

2. D877074 - Power supply (2020-03-03),

3. 10218265 - State space-based multi-level voltage regulator system (2019-02-26),

4. D837154 - Power supply combined with dust filter (2019-01-01),

5. D837153 - Power supply combined with dust filter (2019-01-01),

6. D837151 - Rectifier for power supply (2019-01-01),

7. D813163 - Power supply (2018-03-20),

8. 9520772 - Multi-level voltage regulator system (2016-12-13),

9. D769820 - Power supply device (2016-10-25),

10. 9408327 - Thermal management system and method (2016-08-02),

11. 9143047 - Loosely regulated feedback control for high efficiency isolated DC-DC converters (2015-09-22),

12. 9119327 - Thermal management system and method (2015-08-25),

13. D732471 - Power supply device (2015-06-23),

14. 8934267 - Loosely regulated feedback control for high efficiency isolated DC-DC converters (2015-01-13),

15. 8929098 - DC-DC converter (2015-01-06),

TDK-Lambda Corporation is a leading global manufacturer of power supplies and is renowned for developing cutting-edge technology and providing reliable and innovative solutions. With a diverse portfolio of products including AC-DC power supplies, DC-DC converters, programmable power supplies, and EMI filters, TDK-Lambda serves a wide range of industries such as industrial, medical, communications, and test and measurement.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

31 Patents

#1,040 in Tokyo

#2,267 in Japan

#21,195 in the World

Tdk-Lambda Corporation

Forward Citations = 955

36 inventors:

George Rucareanu (6 out of 9 patents)

Jin He (5 out of 30 patents)

Hiroshi Nakazawa (5 out of 17 patents)

4. Jeffrey John Boylan (4 out of 21 patents)

5. Miki Stravets (4 out of 5 patents)

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