Company Filing History:

5 out of 90,594

Canon Kabushiki Kaisha

Hitachi Communication Technologies, Ltd.

patents

Years Active: 2005-2016

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11 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 9407389 - Communication system and time synchronization method (2016-08-02),

2. 7830886 - Router and SIP server (2010-11-09),

3. 7680121 - Transmission apparatus, method and program (2010-03-16),

4. 7664954 - Providing apparatus, providing method, communication device, communication method, and program (2010-02-16),

5. 7542573 - Providing apparatus, communication device, method, and program (2009-06-02),

6. 7457875 - Access server with function of collecting communication statistics information (2008-11-25),

7. 7415536 - Address query response method, program, and apparatus, and address notification method, program, and apparatus (2008-08-19),

8. 7404008 - Address translator and method for management of address translation rules (2008-07-22),

9. 7330470 - Router and sip server (2008-02-12),

10. 7123599 - Mobile communication system (2006-10-17),

11. 6956575 - Character provision service system, information processing apparatus, controlling method therefor, and recording medium (2005-10-18),

Title: Hiroaki Nakazawa: Innovator in Communication Systems

Introduction

Hiroaki Nakazawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of communication systems, holding a total of 11 patents. His work focuses on enhancing the precision and efficiency of communication networks.

Latest Patents

Among his latest patents is a communication system and time synchronization method. This invention addresses the challenges of high-precision time synchronization in extensive distribution systems that utilize a relay network without delay guarantees. The system includes first and second delay control devices that retain time information and set relay network passing times for communication signals. This innovation ensures that uncertainties in communication time are minimized, leading to improved synchronization accuracy. Another notable patent involves a router and SIP server that manage user identifiers and terminal identifiers effectively, enhancing the overall quality of service in communication networks.

Career Highlights

Hiroaki Nakazawa has worked with renowned companies such as Canon and Hitachi. His experience in these organizations has allowed him to develop and refine his innovative ideas in communication technology. His contributions have been instrumental in advancing the capabilities of communication systems.

Collaborations

He has collaborated with notable colleagues, including Katsuhisa Ogawa and Naohiko Suzuki. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Hiroaki Nakazawa's work in communication systems exemplifies the impact of innovation on technology. His patents reflect a commitment to improving communication efficiency and precision. His contributions continue to influence the field and inspire future advancements.

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