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Nagano Japan Radio Co., Ltd.

USPTO Granted Patents = 25

Forward Citations = 253

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47 inventors (with patents filed for the assignee):

Seiichi Anzawa (6 out of 12 patents)

Masaki Hirano (3 out of 3 patents)

Toshitaka Minamisawa (3 out of 3 patents)

4. Koichi Kamoi (3 out of 7 patents)

5. Yukio Sawano (3 out of 11 patents)

6. Hiroshi Yamazaki (2 out of 20 patents)

7. Yasushi Hori (2 out of 3 patents)

8. Akira Matsumoto (2 out of 2 patents)

9. Masao Ando (2 out of 2 patents)

10. Yukihiko Tsukada (2 out of 2 patents)

11. Tomoaki Iwafune (2 out of 3 patents)

12. Shuzo Hanaoka (2 out of 3 patents)

13. Shigeru Kasai (1 out of 66 patents)

14. Akihiro Makino (1 out of 75 patents)

15. Hiroyuki Kobayashi (1 out of 6 patents)

25 patents: Sort by Forward Citations

1. 7400114 - Voltage equalizer for battery elements (2008-07-15),

2. 6856211 - Coaxial type impedance matching device (2005-02-15),

3. 6754058 - Current breaker circuit for storage devices, and abnormality detection circuit (2004-06-22),

4. 6633091 - Storage module (2003-10-14),

5. 6491458 - Printing system (2002-12-10),

6. 6285170 - Switching power supply (2001-09-04),

7. 6283567 - Drawing method for electronic blackboard (2001-09-04),

8. 6282102 - Drive circuit for switching power supply (2001-08-28),

9. 6246596 - Switching power supply (2001-06-12),

10. 6205036 - Energy transfer unit, charge unit, and power supply unit (2001-03-20),

11. 6198644 - Rectifying/smoothing circuit and double-ended converter (2001-03-06),

12. 6191965 - Switching power supply (2001-02-20),

13. 6163467 - Switching power supply for generating DC voltage by synchronous (2000-12-19),

14. 6060977 - Core for use in inductive element, transformer and inductor (2000-05-09),

15. 5929733 - Multi-layer printed substrate (1999-07-27),

Nagano Japan Radio Co., Ltd. is a leading provider of innovative communication and navigation systems. With over 60 years of experience, we specialize in the development, manufacturing, and distribution of high-quality radio equipment for various industries including aviation, maritime, and broadcasting. Our commitment to cutting-edge technology and exceptional customer service has solidified our position as a trusted partner in the global market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

25 Patents

#31 in Nagano

#2,515 in Japan

#24,950 in the World

Nagano Japan Radio Co., Ltd.

Forward Citations = 253

47 inventors:

Seiichi Anzawa (6 out of 12 patents)

Masaki Hirano (3 out of 3 patents)

Toshitaka Minamisawa (3 out of 3 patents)

4. Koichi Kamoi (3 out of 7 patents)

5. Yukio Sawano (3 out of 11 patents)

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