Forward Citations = 40

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7 inventors (with patents filed for the assignee):

Takeshi Naka (8 out of 10 patents)

Norimasa Hane (4 out of 10 patents)

Satoru Ohkawa (2 out of 5 patents)

4. Kazuaki Sano (1 out of 31 patents)

5. Kouji Ichiba (1 out of 1 patent)

6. Atsunori Tokumitsu (1 out of 1 patent)

7. Takashi Maegawa (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 7675276 - DC/DC converter (2010-03-09),

2. 7638994 - Switching power supply circuit (2009-12-29),

3. 7545129 - Switching power supply circuit (2009-06-09),

4. 7518428 - Phase compensation circuit and power circuit having same (2009-04-14),

5. 7459895 - Power circuit (2008-12-02),

6. 7142040 - Stabilized power supply circuit (2006-11-28),

7. 7135844 - Control circuit for DC/DC converter (2006-11-14),

8. 6853172 - Switching regulator (2005-02-08),

Device Engineering Co., Ltd. is a leading provider of cutting-edge engineering solutions for the semiconductor industry. With a team of highly skilled engineers and state-of-the-art technology, we specialize in developing innovative devices for various applications. Our commitment to quality and customer satisfaction sets us apart in the industry. Visit our website to learn more about our services and capabilities.

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USPTO Data Jan 1 1976 - Dec 23 2025

8 Patents

#1,913 in Tokyo

#4,917 in Japan

Tokyo, Japan

Device Engineering Co., Ltd.