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Nihon Den-netsu Keiki Co., Ltd.

USPTO Granted Patents = 27

Forward Citations = 272

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21 inventors (with patents filed for the assignee):

Kenshi Kondo (19 out of 21 patents)

Takashi Tanaka (3 out of 30 patents)

Kazuhiko Tanabe (3 out of 3 patents)

4. Hiroaki Terada (3 out of 3 patents)

5. Masahiro Sugiura (3 out of 19 patents)

6. Keiichiro Imamura (3 out of 3 patents)

7. Tetsuharu Mizutani (3 out of 3 patents)

8. Masanari Matsuura (1 out of 7 patents)

9. Tomoyuki Kubota (1 out of 12 patents)

10. Toshio Takeda (1 out of 2 patents)

11. Masaya Tsuruta (1 out of 4 patents)

12. Yoshiyuki Nakamura (1 out of 20 patents)

13. Masaru Kanazawa (1 out of 8 patents)

14. Masahiro Koizumi (1 out of 3 patents)

15. Hideaki Toba (1 out of 1 patent)

27 patents: Sort by Forward Citations

1. 7649159 - Apparatus and a method of soldering a part to a board (2010-01-19),

2. 7490403 - Soldering method (2009-02-17),

3. 7176388 - Soldering method and solder joint member (2007-02-13),

4. 6902102 - Soldering method and solder joint member (2005-06-07),

5. 6726082 - Soldering apparatus (2004-04-27),

6. 6116491 - Gas flow controlling device and soldering apparatus using same (2000-09-12),

7. 5769305 - Apparatus for wave soldering printed wiring boards (1998-06-23),

8. 5358167 - Soldering apparatus (1994-10-25),

9. 5180096 - Method and apparatus for reflow-soldering of printed circuit boards (1993-01-19),

10. 5145100 - Soldering apparatus (1992-09-08),

11. 5145055 - Device for conveying printed circuit board (1992-09-08),

12. 5066850 - Soldering apparatus of a reflow type (1991-11-19),

13. 4938410 - Soldering apparatus of a reflow type (1990-07-03),

14. 4913334 - Device for correcting warp of printed circuit boards in a carrierless (1990-04-03),

15. 4889273 - Soldering apparatus (1989-12-26),

Nihon Den-netsu Keiki Co., Ltd. is a leading manufacturer of electronic components and devices. With over 50 years of experience, their products include quartz crystal devices, filters, oscillators, resonators, SAW/BAW devices, and sensor modules. NDK focuses on providing advanced and reliable solutions for various industries, including telecommunications, automotive, consumer electronics, and industrial applications.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

27 Patents

#2 in Ota-ku

#2,406 in Japan

#23,254 in the World

Nihon Den-netsu Keiki Co., Ltd.

Forward Citations = 272

21 inventors:

Kenshi Kondo (19 out of 21 patents)

Takashi Tanaka (3 out of 30 patents)

Kazuhiko Tanabe (3 out of 3 patents)

4. Hiroaki Terada (3 out of 3 patents)

5. Masahiro Sugiura (3 out of 19 patents)

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