For the Inventor, By the Inventor

Enter assignee name

Kokusai Denshin Denwa Kabushiki Kaisha

USPTO Granted Patents = 339

CIPO Patents = 1

Forward Citations = 6,045

Loading Chart...

Loading Chart...

252 inventors (with patents filed for the assignee):

Shigeyuki Akiba (71 out of 82 patents)

Shu Yamamoto (46 out of 75 patents)

Yuichi Matsushima (42 out of 46 patents)

4. Katsuyuki Utaka (35 out of 38 patents)

5. Masatoshi Suzuki (34 out of 82 patents)

6. Kazuo Sakai (30 out of 40 patents)

7. Noboru Edagawa (30 out of 59 patents)

8. Hidenori Taga (25 out of 42 patents)

9. Yasuhiro Yamazaki (16 out of 19 patents)

10. Yukio Nakagome (16 out of 17 patents)

11. Shuichi Matsumoto (14 out of 49 patents)

12. Yoshinori Mimura (13 out of 16 patents)

13. Yasushi Wakahara (13 out of 19 patents)

14. Yoshihiro Ejiri (13 out of 16 patents)

15. Yukio Horiuchi (12 out of 27 patents)

Core Competencies:

Motion Compensation

Image Encoding

Traffic Generation

Semiconductor Devices

Optical Transmission

Wavelength Division Multiplexing

Video Processing

Mobile Earth Station

Optical Amplification

Signal Demodulation

Speech Recognition

Optical Monitoring

339 patents: Sort by Forward Citations

1. 6493390 - Motion compensation image encoding device (2002-12-10),

2. 6489988 - Method and apparatus for detecting synchronization shift between original image and reproduced image of video signal (2002-12-03),

3. 6414942 - Traffic generator and method of determining a traffic generating function (2002-07-02),

4. 6403391 - Semiconductor light emitting device and method for manufacturing the same (2002-06-11),

5. 6385314 - Transmission device control system equipped with high-efficiency coding scheme in communication network (2002-05-07),

6. 6377373 - Optical transmission system (2002-04-23),

7. 6332123 - Mouth shape synthesizing (2001-12-18),

8. 6331907 - Multi-wavelength light source and discrete-wavelength-variable light source (2001-12-18),

9. 6285477 - Multi-wavelength light source and discrete-wavelength-variable light source (2001-09-04),

10. 6259673 - Route selection method (2001-07-10),

11. 6243421 - Apparatus for decoding coded video data with reduced memory size (2001-06-05),

12. 6219163 - Multi-wavelength light source and discrete-wavelength-variable light source (2001-04-17),

13. 6215566 - Multi-wavelength light source and discrete-wavelength-variable light source (2001-04-10),

14. 6201599 - Optical transmission line monitoring apparatus (2001-03-13),

15. 6185020 - Apparatus for detecting a fault location in an optical fiber line (2001-02-06),

Kokusai Denshin Denwa Kabushiki Kaisha (KDDI) is a leading Japanese telecommunications corporation. Established in 1984, KDDI offers a wide range of services including fixed-line and mobile communication, internet, data center, and cloud-based solutions. With a strong focus on innovation, KDDI strives to provide cutting-edge technology and reliable connectivity to its customers. Visit their website to learn more about their offerings and capabilities.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

339 Patents

#219 in Tokyo

#478 in Japan

#2,598 in the World

Kokusai Denshin Denwa Kabushiki Kaisha

Forward Citations = 6,045

252 inventors:

Shigeyuki Akiba (71 out of 82 patents)

Shu Yamamoto (46 out of 75 patents)

Yuichi Matsushima (42 out of 46 patents)

4. Katsuyuki Utaka (35 out of 38 patents)

5. Masatoshi Suzuki (34 out of 82 patents)

Please report any incorrect information to support@idiyas.com

Loading…