Nippon Telegraph Telephone Corporation

Calculating rank

USPTO Granted Patents = 4

Forward Citations = 60

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17 inventors (with patents filed for the assignee):

Masato Mizoguchi (1 out of 119 patents)

Junichi Shimada (1 out of 23 patents)

Riichi Kudo (1 out of 50 patents)

4. Tomoki Murakami (1 out of 68 patents)

5. Koichi Ishihara (1 out of 72 patents)

6. Yusuke Asai (1 out of 39 patents)

7. Tomomi Sano (1 out of 39 patents)

8. Katsuyuki Machida (1 out of 49 patents)

9. Hakaru Kyuragi (1 out of 22 patents)

10. Takeo Komiya (1 out of 10 patents)

11. Keiji Osaka (1 out of 14 patents)

12. Renshi Sawada (1 out of 6 patents)

13. Hideo Akiya (1 out of 4 patents)

14. Kazuo Imai (1 out of 8 patents)

15. Yasuo Asano (1 out of 9 patents)

4 patents: Sort by Forward Citations

1. 9313007 - Wireless apparatus and training signal transmission method (2016-04-12),

2. 5972780 - Thin film forming apparatus and method (1999-10-26),

3. 5590227 - Optical connector apparatus (1996-12-31),

4. 5084895 - Semiconductor light emitting system (1992-01-28),

Company Overview

Nippon Telegraph Telephone Corporation (NTT) is one of the largest telecommunications companies in the world. It offers a wide range of services including mobile communications, data centers, and IT solutions. With a strong focus on innovation and technology, NTT continues to lead the industry in providing cutting-edge solutions to its customers.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#3,058 in Tokyo

#7,588 in Japan

Tokyo, Japan