Company Filing History:

11 out of 78

Advanced Telecommunications Research Institute International

patents

4 out of 39

Nec Communication Systems, Ltd.

patents

2 out of 8

Nec Communications Systems, Ltd.

patents

4. 1 out of 1

Nec Communications, Ltd.

patent

5. 1 out of 4,979

Oki Electric Industry Co., Ltd.

patents

6. 1 out of 359

National Institute of Information and Communications Technology, Incorporated

patents

where one patent can have more than one assignee

Years Active: 2011-2018

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9867126 - Wireless base station and wireless communication systems using the same (2018-01-09),

2. 9521613 - Wireless base station and wireless communication system using the same (2016-12-13),

3. 9374784 - Terminal device, wireless base station wirelessly communicating with the same, and wireless communication system using terminal device and wireless base station (2016-06-21),

4. 8755336 - Wireless device which can improve stability in wireless communications and wireless network using the same (2014-06-17),

5. 8238319 - Radio apparatus (2012-08-07),

6. 8184584 - Wireless device which selects routes excluding loop routes and a mesh network including the same (2012-05-22),

7. 8121629 - Radio device (2012-02-21),

8. 8072925 - Multi-hop wireless network system (2011-12-06),

9. 8060107 - Radio network system capable of autonomous estimation using position correction (2011-11-15),

10. 8041377 - Radio device for preventing isolated radio devices in network (2011-10-18),

11. 7890112 - Radio device having fewer route disconnections and switchings by using control packets to maintain radio links (2011-02-15),

Title: Sadao Obana: Innovator in Wireless Communication Technology

Introduction

Sadao Obana is a prominent inventor based in Kyoto, Japan, known for his significant contributions to wireless communication technology. With a total of 11 patents to his name, Obana has made remarkable advancements in the field, particularly in the development of wireless base stations and communication systems.

Latest Patents

One of Obana's latest patents involves a wireless base station that includes a wakeup device and a main device. This innovative system allows the main device to enter a sleep mode to conserve energy. When a wakeup signal is received from a terminal device, the wakeup device activates the main device, transitioning it from sleep mode to operating mode. This technology enhances the efficiency of wireless communication systems by ensuring that base stations are only active when needed.

Career Highlights

Throughout his career, Sadao Obana has worked with notable organizations, including the Advanced Telecommunications Research Institute International and NEC Communication Systems, Ltd. His work in these companies has allowed him to develop and refine his inventions, contributing to the advancement of wireless technologies.

Collaborations

Obana has collaborated with several professionals in the field, including Tetsuya Ito and Peter Davis. These collaborations have fostered innovation and have played a crucial role in the development of his patented technologies.

Conclusion

Sadao Obana's contributions to wireless communication technology have established him as a key figure in the industry. His innovative patents and collaborative efforts continue to influence the future of wireless systems.

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