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Nippon Hoso' Kyokai

USPTO Granted Patents = 374

CIPO Patents = 5

EPO Patents = 27

Trademarks = 4

Forward Citations = 5,489

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735 inventors (with patents filed for the assignee):

Atsuro Ichigaya (61 out of 64 patents)

Shunsuke Iwamura (58 out of 60 patents)

Shimpei Nemoto (47 out of 48 patents)

4. Yuichi Ninomiya (28 out of 33 patents)

5. Keiichi Shidara (23 out of 26 patents)

6. Tadaaki Hirai (18 out of 43 patents)

7. Yoshimichi Ohtsuka (18 out of 21 patents)

8. Kenkichi Tanioka (14 out of 17 patents)

9. Naohiro Goto (14 out of 14 patents)

10. Tetsuo Sakai (13 out of 15 patents)

11. Yasuhiko Nonaka (13 out of 21 patents)

12. Shinichi Sakaida (12 out of 12 patents)

13. Yukio Takasaki (12 out of 37 patents)

14. Yoshinori Izumi (11 out of 15 patents)

15. Osamu Yamada (11 out of 77 patents)

Core Competencies:

Image Encoding

Image Decoding

Decoding Device

Encoding Device

Intra Prediction

Deblocking Filter

Prediction Image Correction

Chroma Residual Scaling

Organic Electroluminescent Element

Transmitting Device

Receiving Device

Scaling List

374 patents: Sort by Forward Citations

1. 12513328 - Image encoding device, image decoding device and program (2025-12-30),

2. 12513327 - Prediction image correcting device, image encoding device, image decoding device, and program (2025-12-30),

3. 12418665 - Decoding device, program, and decoding method using chroma residual scaling (2025-09-16),

4. 12273514 - Encoding device, decoding device, encoding method, and decoding method (2025-04-08),

5. 12262052 - Image encoding device, image decoding device and program (2025-03-25),

6. 12238296 - Image encoding device, image decoding device and program (2025-02-25),

7. 12212744 - Deblocking filter device, decoding device and program (2025-01-28),

8. 12192453 - Encoding device, decoding device and program (2025-01-07),

9. 12192448 - Image encoding device, image decoding device, and program thereof (2025-01-07),

10. 12177440 - Image encoding device, image decoding device, and the programs thereof (2024-12-24),

11. 12155832 - Encoding device, decoding device and program (2024-11-26),

12. 12149694 - Encoding device, decoding device and program (2024-11-19),

13. 12149678 - Image encoding device, image decoding device, and program thereof (2024-11-19),

14. 12143628 - Prediction image correcting device, image encoding device, image decoding device, and program (2024-11-12),

15. 12137254 - Encoding device, decoding device and program (2024-11-05),

Nippon Hoso' Kyokai (Japan Broadcasting Corporation), commonly referred to as NHK, is a public broadcasting organization in Japan. It operates multiple television and radio channels, delivering news, entertainment, and educational programs to the Japanese audience. NHK is known for its high-quality and impartial journalism. Through its various platforms, NHK plays a vital role in promoting cultural exchange and providing reliable information to the public.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

374 Patents

#202 in Tokyo

#444 in Japan

#2,397 in the World

Nippon Hoso' Kyokai

Forward Citations = 5,489

735 inventors:

Atsuro Ichigaya (61 out of 64 patents)

Shunsuke Iwamura (58 out of 60 patents)

Shimpei Nemoto (47 out of 48 patents)

4. Yuichi Ninomiya (28 out of 33 patents)

5. Keiichi Shidara (23 out of 26 patents)

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