Trademarks = 1

Forward Citations = 62

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5 inventors (with patents filed for the assignee):

Shigetomo Tamai (4 out of 6 patents)

Yukiya Ueda (3 out of 3 patents)

Tsugune Saito (3 out of 3 patents)

4. Toru Takano (1 out of 3 patents)

5. Shigeo Akutsu (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 8209746 - Content presentation-type authentication system (2012-06-26),

2. 7984491 - System, method and program for off-line user authentication (2011-07-19),

3. 7945948 - System, method and program for off-line user authentication (2011-05-17),

4. 7409705 - System and method for user authentication (2008-08-05),

Computer Systems Engineering Co., Ltd. is a leading provider of innovative technology solutions for businesses. With a strong focus on engineering excellence, we design and implement cutting-edge computer systems that streamline operations and improve efficiency. Our team of experienced engineers and technicians work closely with clients to deliver tailored solutions that meet their unique needs. From network infrastructure to software development, we offer a comprehensive range of services to help businesses thrive in the digital age.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

4 Patents

#3,053 in Tokyo

#7,573 in Japan

Tokyo, Japan

Computer Systems Engineering Co., Ltd.