% Expired Patents = 85.7

EPO Patents = 4

Forward Citations = 8

Loading Chart...

7 inventors (with patents filed for the assignee):

Naoki Yoshida (7 out of 79 patents)

Tadafumi Tatewaki (4 out of 27 patents)

Hideo Sakurai (4 out of 9 patents)

4. Satoshi Arai (2 out of 15 patents)

5. Kazuhiro Tsuji (1 out of 2 patents)

6. Hiroyuki Kasahara (1 out of 2 patents)

7. Yukio Ide (1 out of 32 patents)

8. Naoki Yoshida (0 patent)

9. Kazuhiro Tsuji (0 patent)

10. Naoki Yoshida (0 patent)

11. Naoki c/o Wedg Co Ltd Yoshida (0 patent)

7 patents: Sort by Forward Citations

1. 8405695 - Printing apparatus (2013-03-26),

2. 7944461 - Heating device, erasing device, information recording and erasing device, and transfer device (2011-05-17),

3. 7777771 - Information recording and erasing apparatus (2010-08-17),

4. 7701609 - Image recorder (2010-04-20),

5. 7671879 - Information recording apparatus (2010-03-02),

6. 7659916 - Heating unit, erasing device, and information erasing and recording apparatus (2010-02-09),

7. 7385618 - Image forming method and image forming apparatus (2008-06-10),

Company Overview

Wedg Co., Ltd. is a leading provider of innovative solutions in the field of technology. With a focus on quality and customer satisfaction, we offer a wide range of products and services to meet the needs of our clients. Our team of experts is committed to delivering cutting-edge solutions to help businesses stay ahead in today's competitive market. Visit our website to learn more about our offerings and how we can help your business succeed.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#2,288 in Tokyo

#5,459 in Japan

Tokyo, Japan

Wedg Co., Ltd.

Forward Citations = 8

7 inventors:

Naoki Yoshida (7 out of 79 patents)

Tadafumi Tatewaki (4 out of 27 patents)

Hideo Sakurai (4 out of 9 patents)

4. Satoshi Arai (2 out of 15 patents)

5. Kazuhiro Tsuji (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wedg Co., Ltd.. Retrieved from https://idiyas.com/company/wedg-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]

4 patents (EPO):

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]