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Ando Electric Company

USPTO Granted Patents = 389

CIPO Patents = 1

Forward Citations = 2,843

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287 inventors (with patents filed for the assignee):

Haruyoshi Uchiyama (13 out of 15 patents)

Nobuaki Takeuchi (11 out of 22 patents)

Minoru Maeda (10 out of 44 patents)

4. Seiji Funakawa (10 out of 10 patents)

5. Keisuke Asami (10 out of 10 patents)

6. Kazuo Aida (10 out of 24 patents)

7. Takashi Iwasaki (9 out of 24 patents)

8. Tohru Mori (9 out of 16 patents)

9. Akio Ichikawa (9 out of 15 patents)

10. Shoichi Aoki (8 out of 19 patents)

11. Yoshizou Honda (7 out of 7 patents)

12. Tsuneo Horiguchi (7 out of 9 patents)

13. Keiji Negi (7 out of 7 patents)

14. Satoshi Matsuura (6 out of 14 patents)

15. Takafumi Uehara (6 out of 6 patents)

Core Competencies:

Optical Fibers

Wavelength Monitor

Phase Locked Loop Circuit

Tunable Filter

Optical Spectrum Analyzer

Chromatic Dispersion

Noise Figure Measurement

Semiconductor Testing

Data Acquisition Circuit

Variable-Wavelength Light Source

Motion Picture Code Evaluation

Optical Measurement Apparatus

389 patents: Sort by Forward Citations

1. 7180582 - Apparatus and method for measuring characteristics of optical fibers (2007-02-20),

2. 6980297 - Wavelength monitor (2005-12-27),

3. 6928089 - Pattern synchronous circuit (2005-08-09),

4. 6922418 - Wavelength-variable light source apparatus (2005-07-26),

5. 6915470 - Data log acquisition circuit and data log acquisition method (2005-07-05),

6. 6914464 - Phase locked loop circuit using fractional frequency divider (2005-07-05),

7. 6910221 - Moving image communication evaluation system and moving image communication evaluation method (2005-06-21),

8. 6900883 - Wavelength dependence measuring system (2005-05-31),

9. 6898001 - Noise figure-measuring device and noise figure-measuring method (2005-05-24),

10. 6892333 - IC measuring device (2005-05-10),

11. 6892000 - Tunable filter (2005-05-10),

12. 6882410 - Filter processing system for the output signal of optical time domain reflectometer in the chromatic dispersion distribution measurement apparatus (2005-04-19),

13. 6879396 - Monochromator and optical spectrum analyzer using the same (2005-04-12),

14. 6853450 - Monochromator and optical spectrum analyzer (2005-02-08),

15. 6850688 - Variable-wavelength light source unit (2005-02-01),

Ando Electric Company is a leading provider of electrical components and equipment. With over 20 years of experience in the industry, we specialize in designing, manufacturing, and distributing a wide range of electrical products. Our solutions are trusted by customers worldwide for their quality, reliability, and efficiency. Visit our website to learn more about our products and services.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

389 Patents

#194 in Tokyo

#431 in Japan

#2,311 in the World

Ando Electric Company

Forward Citations = 2,843

287 inventors:

Haruyoshi Uchiyama (13 out of 15 patents)

Nobuaki Takeuchi (11 out of 22 patents)

Minoru Maeda (10 out of 44 patents)

4. Seiji Funakawa (10 out of 10 patents)

5. Keisuke Asami (10 out of 10 patents)

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