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Adtec Engineering Co., Ltd.

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USPTO Granted Patents = 18

% Expired Patents = 50.0

EPO Patents = 2

Forward Citations = 50

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20 inventors (with patents filed for the assignee):

Wataru Nakagawa (3 out of 13 patents)

Katsumi Momose (3 out of 5 patents)

Youichi Hirabayashi (3 out of 3 patents)

4. Noriyoshi Matsumoto (3 out of 3 patents)

5. Ryoichi Ida (3 out of 3 patents)

6. Katsuya Sangu (2 out of 3 patents)

7. Nozomu Kowatari (2 out of 2 patents)

8. Masatoshi Asami (2 out of 2 patents)

9. Yoneta Tanaka (2 out of 2 patents)

10. Takahiro Shimada (1 out of 10 patents)

11. Shigeo Nagashima (1 out of 5 patents)

12. Michitomo Koda (1 out of 10 patents)

13. Eriko Nakajima (1 out of 1 patent)

14. Kazunori Hashimoto (1 out of 39 patents)

15. Akira Otsuka (1 out of 9 patents)

18 patents: Sort by Forward Citations

1. 12319034 - Carbon fiber reinforced plastic structure and processing apparatus (2025-06-03),

2. 12226986 - Core material and structure (2025-02-18),

3. 10067429 - Pattern drawing apparatus and pattern drawing method (2018-09-04),

4. 7614787 - Marking apparatus used in a process for producing multi-layered printed circuit board (2009-11-10),

5. 7477354 - Projection exposure apparatus and method for producing a printed circuit board (2009-01-13),

6. 7289192 - Projection exposure device (2007-10-30),

7. 6927854 - Projection exposure device and position alignment device and position alignment method (2005-08-09),

8. 6870952 - Positioning apparatus used in a process for producing multi-layered printed circuit board and method of using the same (2005-03-22),

9. 6831730 - Optical magnification adjustment system and projection exposure device (2004-12-14),

10. 6819406 - Aligner (2004-11-16),

11. 6784979 - Full-contact type exposure device (2004-08-31),

12. 6760094 - Aligner (2004-07-06),

13. 6738195 - Optical magnification adjustment system and projection exposure device (2004-05-18),

14. 6597757 - Marking apparatus used in a process for producing multi-layered printed circuit board (2003-07-22),

15. 6597432 - Board-stage for an aligner (2003-07-22),

Company Overview

Adtec Engineering Co., Ltd., based in Tokyo, specializes in advanced engineering solutions, particularly in the fields of telecommunications and broadcasting. The company is known for its innovative development of digital broadcasting equipment and systems, contributing to the evolution of media technology. With a strong focus on research and development, Adtec aims to enhance communication infrastructure and improve the efficiency of broadcasting services, catering to both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

18 Patents

#1,414 in Tokyo

#3,124 in Japan

#34,244 in the World

Adtec Engineering Co., Ltd.

Forward Citations = 50

20 inventors:

Wataru Nakagawa (3 out of 13 patents)

Katsumi Momose (3 out of 5 patents)

Youichi Hirabayashi (3 out of 3 patents)

4. Noriyoshi Matsumoto (3 out of 3 patents)

5. Ryoichi Ida (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Adtec Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/adtec-engineering-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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