Tsutomu Matsumoto

USPTO Granted Patents = 16 (Patent Applications = 1)

EPO Patents = 2

Average Co-Inventor Count = 4.7

ph-index = 9

Forward Citations = 318(Granted Patents)

Location History:

Chigasaki, JP (1979)
Kawasaki, JP (2008)
Yokohama, JP (2004 - 2021)

Company Filing History:

Yokohama National University

Toyota Jidosha Kabushiki Kaisha

patents

5. 1 out of 5,289

Nippon Telegraph and Telephone Corporation

Victor Company of Japan, Limited

patents

8. 1 out of 52,711

Kabushiki Kaisha Toshiba

patents

9. 1 out of 10,239

Sumitomo Electric Industries, Limited

patents

where one patent can have more than one assignee

Years Active: 1979-2025

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16 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 12259830 - Device and method (2025-03-25),

2. 11189974 - Connector system, connector, and connection method (2021-11-30),

3. 10397244 - System and method for detecting attack when sensor and traffic information are inconsistent (2019-08-27),

4. 10270768 - Communication system, communication method, and communication device (2019-04-23),

5. 9331854 - Message authentication method in communication system and communication system (2016-05-03),

6. 8547201 - Protective-control measuring system and device and data transmission method (2013-10-01),

7. 7770009 - Digital signing method (2010-08-03),

8. 7526645 - Electronic document authenticity assurance method and electronic document disclosure system (2009-04-28),

9. 7424732 - Card settlement method and system using mobile information terminal (2008-09-09),

10. 7305558 - Digital signing method (2007-12-04),

11. 7266698 - Time stamping system for electronic documents and program medium for the same (2007-09-04),

12. 7200682 - Time stamp generating system (2007-04-03),

13. 6819650 - Optical disc having land pre-pits and variable groove depths (2004-11-16),

14. 6816969 - Digital signature generating method and digital signature verifying method (2004-11-09),

15. 6769063 - Data converter and recording medium on which program for executing data conversion is recorded (2004-07-27),

Title: Tsutomu Matsumoto: Innovator in Connector Technology

Introduction

Tsutomu Matsumoto is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of connector technology, holding a total of 16 patents. His work has been influential in advancing communication systems and enhancing the functionality of connectors.

Latest Patents

Matsumoto's latest patents include a device and method that features a first interface unit connected to a first controller area network (CAN) bus and a second interface unit connected to a second CAN bus. This device is designed to identify the CAN bus that is in a dominant state after the end of arbitration, facilitating efficient communication. Another notable patent is a connector system that includes a first connector with a first transmission line and a second connector with a processing unit. This system performs an information transmission process to verify connections, ensuring reliable data transfer.

Career Highlights

Throughout his career, Matsumoto has worked with esteemed organizations such as Hitachi, Ltd. and Yokohama National University. His experience in these institutions has allowed him to develop innovative solutions that address complex engineering challenges.

Collaborations

Matsumoto has collaborated with notable colleagues, including Kunihiko Miyazaki and Ryoichi Sasaki. These partnerships have contributed to the advancement of technology in their respective fields.

Conclusion

Tsutomu Matsumoto's contributions to connector technology and his extensive patent portfolio highlight his role as a leading inventor. His work continues to influence the industry and pave the way for future innovations.

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1 patent pending:

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2 patents (EPO):

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.