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For the Inventor, By the Inventor

Tokyo, Japan

Kdd Corporation


USPTO Granted Patents = 41



Trademarks = 1

Forward Citations = 667

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81 inventors (with patents filed for the assignee):

goldMedal Shu Yamamoto (6 out of 75 patents)

silverMedal Akio Yoneyama (5 out of 23 patents)

bronzeMedal Masaru Sugano (5 out of 16 patents)

4.  Yasuyuki Nakajima (5 out of 30 patents)

5.  Hiromasa Yanagihara (5 out of 18 patents)

6.  Noboru Edagawa (5 out of 59 patents)

7.  Shuichi Matsumoto (4 out of 49 patents)

8.  Toshinori Suzuki (3 out of 39 patents)

9.  Ryoichi Kawada (3 out of 23 patents)

10.  Kazuo Hashimoto (3 out of 121 patents)

11.  Yoshio Takeuchi (3 out of 21 patents)

12.  Toshio Tani (2 out of 10 patents)

13.  Fumio Watanabe (2 out of 50 patents)

14.  Keiji Tanaka (2 out of 98 patents)

15.  Takahiro Hamada (2 out of 18 patents)


Core Competencies:
Video Coding
Optical Amplifier
Data Transmission
Mobile Communication
Quality of Service
Signal Processing
Compression Techniques
Network Interworking
Image Detection
Transmission Control
Document Retrieval
Bandwidth Measurement

41 patents:

1. 7801969 - Apparatus and method for compression-transmitting and decoding picture information and storage medium stored its control programs (2010-09-21),
2. 7380015 - Apparatus and method for compression-transmitting and decoding picture information and storage medium stored its control programs (2008-05-27),
3. 7116715 - Video coding apparatus according to a feature of a video picture (2006-10-03),
4. 6976070 - Method and apparatus for automatic information filtering using URL hierarchical structure and automatic word weight learning (2005-12-13),
5. 6973126 - Video coding apparatus according to a feature of a video picture (2005-12-06),
6. 6970467 - Transfer scheme for speech and voice band signals and ISDN digital signals using reduced transmission bandwidth over ATM (2005-11-29),
7. 6956819 - Method, apparatus and system for evaluating quality-of-service in packet switching network (2005-10-18),
8. 6870859 - Multiplexing system and multiplexing method of tributary signals (2005-03-22),
9. 6867908 - Optical amplifier having various control circuitry (2005-03-15),
10. 6795401 - Band width measuring method and apparatus for a packet switching network (2004-09-21),
11. 6791998 - Polling period controlling apparatus (2004-09-14),
12. 6791951 - Connection establishment method without specifying called terminal, switched network control device and system using this method (2004-09-14),
13. 6772392 - Image failure detection unit in redundant duplex transmission (2004-08-03),
14. 6701373 - Data transmission apparatus (2004-03-02),
15. 6701164 - Mobile communication system with zone-shift control apparatus (2004-03-02),
KDD Corporation is a global company specializing in manufacturing and distribution of consumer electronics. With over 30 years of experience, we have become a trusted brand known for delivering high-quality products and exceptional customer service. Our diverse product range includes smart TVs, home appliances, audio systems, and mobile devices. We strive to innovate and incorporate the latest technological advancements into our products, ensuring an enhanced user experience. Visit our website to explore our products and learn more about our commitment to excellence.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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41 Patents

#794 in Tokyo

#1,898 in Japan

#16,217 in the World

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Tokyo, Japan

Kdd Corporation

Forward Citations = 667

81 inventors:

goldMedal Shu Yamamoto (6 out of 75 patents)

silverMedal Akio Yoneyama (5 out of 23 patents)

bronzeMedal Masaru Sugano (5 out of 16 patents)

4.  Yasuyuki Nakajima (5 out of 30 patents)

5.  Hiromasa Yanagihara (5 out of 18 patents)

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