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For the Inventor, By the Inventor

Tokyo, Japan

Nippon Television Network Corp.


USPTO Granted Patents = 27


Forward Citations = 258

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31 inventors (with patents filed for the assignee):

goldMedal Yoshio Sugimori (14 out of 14 patents)

silverMedal Yoshihide Kimata (12 out of 12 patents)

bronzeMedal Kiyoyuki Kawai (5 out of 38 patents)

4.  Joji Urano (5 out of 5 patents)

5.  Tadao Kurosaki (5 out of 5 patents)

6.  Masayuki Ishida (4 out of 46 patents)

7.  Akihiro Hori (4 out of 10 patents)

8.  Yoshihiko Ogawa (3 out of 258 patents)

9.  Seijiro Yasuki (3 out of 25 patents)

10.  Susumu Takayama (3 out of 5 patents)

11.  Yosai Araki (3 out of 3 patents)

12.  Toru Koguma (2 out of 2 patents)

13.  Yousai Araki (2 out of 2 patents)

14.  Toshiya Ito (2 out of 6 patents)

15.  Koichi Nakagawa (1 out of 55 patents)


Core Competencies:
Picture Replacement
Telecine Conversion
Progressive Scan
Video Encoding
Signal Switching
Color Television
High-Definition Television
Multiplexed Signal
Noise Reduction
Television Broadcasting
Adaptive Systems
Image Transmission

27 patents:

1. 6327004 - Picture replacement system and method of the same (2001-12-04),
2. 6144410 - Telecine signal conversion method and an up-converter (2000-11-07),
3. 5973751 - Picture replacement system and picture replacement method (1999-10-26),
4. 5835152 - Method of converting 4:2:0p/4:2:2p progressive scan data and converter (1998-11-10),
5. 5666166 - Method for converting progressive scan signals and converter thereof (1997-09-09),
6. 5534935 - Processing apparatus for progressive scan generation of a television (1996-07-09),
7. 5495293 - Frame synchronizer and a signal switching apparatus (1996-02-27),
8. 5457498 - Television signal digitizing method dividing progressive-scanned signal (1995-10-10),
9. 5386240 - Encoder/decoder of information upon/from a video signal (1995-01-31),
10. 5327236 - Video switcher apparatus for wide screen EDTV signals (1994-07-05),
11. 5289269 - Color television camera with details of luminance signal formation (1994-02-22),
12. 5225910 - Adaptive operation type low noise television system (1993-07-06),
13. 5223929 - Television system (1993-06-29),
14. 5214500 - Color encoder measurement system with adjustment of amplitude ratio of (1993-05-25),
15. 5208670 - Television system for transmitting auxiliary image signals in the black (1993-05-04),
Nippon Television Network Corporation, based in Tokyo, is a prominent player in the Japanese media landscape, specializing in television broadcasting and production. The company develops a diverse range of content, including news, entertainment, and sports programming, catering to a wide audience. In addition to traditional broadcasting, Nippon Television is increasingly involved in digital media and streaming services, reflecting the evolving landscape of content consumption in Japan and beyond.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

27 Patents

#1,136 in Tokyo

#2,454 in Japan

#23,968 in the World

Tokyo, JP
Tokyo, Japan

Nippon Television Network Corp.

Forward Citations = 258

31 inventors:

goldMedal Yoshio Sugimori (14 out of 14 patents)

silverMedal Yoshihide Kimata (12 out of 12 patents)

bronzeMedal Kiyoyuki Kawai (5 out of 38 patents)

4.  Joji Urano (5 out of 5 patents)

5.  Tadao Kurosaki (5 out of 5 patents)

Please report any incorrect information to [email protected]
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