% Expired Patents = 50.0

EPO Patents = 2

Forward Citations = 36

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3 inventors (with patents filed for the assignee):

Takeshi Saito (2 out of 3 patents)

Takeshi Saito (1 out of 124 patents)

Susumu Sukagawa (1 out of 2 patents)

4. Takeshi Inst For Advanced Studies Co Ltd Saito (0 patent)

4 patents: Sort by Forward Citations

1. 8638930 - Random number verification method and random number verification apparatus (2014-01-28),

2. 8234322 - Apparatus and method for generating random numbers (2012-07-31),

3. 8037117 - Random number derivation method and random number generator using same (2011-10-11),

4. 6652309 - Connector (2003-11-25),

Company Overview

Leisure Electronics Technology Co., Ltd. is a leading provider of high-quality electronic products for leisure and entertainment industries. With a focus on innovation and customer satisfaction, we offer a wide range of electronic solutions including gaming consoles, virtual reality devices, and smart home products. Our team of experienced professionals is dedicated to delivering cutting-edge technology and exceptional service to our clients worldwide.

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

Leisure Electronics Technology Co., Ltd.

Forward Citations = 36

3 inventors:

Takeshi Saito (2 out of 3 patents)

Takeshi Saito (1 out of 124 patents)

Susumu Sukagawa (1 out of 2 patents)

4. Takeshi Inst For Advanced Studies Co Ltd Saito (0 patent)

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

2 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]