% Expired Patents = 20.0

Forward Citations = 14

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8 inventors (with patents filed for the assignee):

Kazuo Kawada (4 out of 4 patents)

Hiroshi Noguchi (3 out of 3 patents)

Satoshi Koide (1 out of 4 patents)

4. Toshio Morita (1 out of 3 patents)

5. Nobuhiko Utagawa (1 out of 1 patent)

6. Hideki Yamaguchi (1 out of 3 patents)

7. Hideya Konda (1 out of 7 patents)

8. Yuichi Oiwa (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 7558460 - Optical DVI cable system and method of laying cable (2009-07-07),

2. 5041781 - Assembly to be fitted in a cylinder of a probe (1991-08-20),

3. 5006668 - Connecting mechanism of central conductors of a coaxial cable and a probe (1991-04-09),

4. 5001421 - Assembly to be fitted in a cylinder of a probe provided with a function (1991-03-19),

5. 4977481 - Supporting device for a trimmer condenser in a connector of a probe (1990-12-11),

Company Overview

Stack Electronics Co., Ltd. is a leading provider of high-quality electronic components, offering a wide range of products including semiconductors, resistors, capacitors, and more. With a commitment to innovation and customer satisfaction, we strive to deliver cutting-edge solutions to meet the needs of our clients in various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#2,721 in Tokyo

#6,652 in Japan

Tokyo, Japan

Stack Electronics Co., Ltd.

Forward Citations = 14

8 inventors:

Kazuo Kawada (4 out of 4 patents)

Hiroshi Noguchi (3 out of 3 patents)

Satoshi Koide (1 out of 4 patents)

4. Toshio Morita (1 out of 3 patents)

5. Nobuhiko Utagawa (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Stack Electronics Co., Ltd.. Retrieved from https://idiyas.com/company/stack-electronics-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]