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Hiroyuki Iizuka

USPTO Granted Patents = 11 (Patent Applications = 1)

Average Co-Inventor Count = 4.9

ph-index = 5

Forward Citations = 61(Granted Patents)

Company Filing History:

5 out of 39

Nec Communication Systems, Ltd.

Nihon Parkerizing Co., Ltd.

patents

4. 2 out of 87

Advanced Telecommunications Research Institute International

patents

5. 1 out of 2

Mitsubishi-tokyo Pharmaceuticals, Inc.

patents

6. 1 out of 259

Nec Tokin Corporation

patents

7. 1 out of 8

Nec Communications Systems, Ltd.

patents

8. 1 out of 41

Tokyo Tanabe Company, Ltd.

patents

where one patent can have more than one assignee

Years Active: 1997-2017

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9712394 - Sensor network system, sensor network control method, sensor node, sensor node control method, and sensor node control program (2017-07-18),

2. 9461772 - Communication apparatus, communication state detecting method, and communication state detecting program (2016-10-04),

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. 8385260 - Wireless base station, communication system, belonging information management method and storage medium for storing program (2013-02-26),

5. 8095138 - Resource allocation apparatus, central control apparatus, wireless base station, wireless communication system, resource allocation method and resource allocation program in computer-readable medium (2012-01-10),

6. 7991400 - Wireless communication system, system controller, access point, station, communication control method and computer-readable medium storing communication control program (2011-08-02),

7. 7890112 - Radio device having fewer route disconnections and switchings by using control packets to maintain radio links (2011-02-15),

8. 6902844 - Film-sealed non-aqueous electrolyte battery with improved surface-treated lead terminal (2005-06-07),

9. 6183570 - Surface treatment process of metallic material and metallic material obtained thereby (2001-02-06),

10. 6069176 - Phenylethanolamine compounds useful as .beta. 3 agonists, process for (2000-05-30),

11. 5661166 - Saishin N compounds, process for preparing same and antiulcer agents (1997-08-26),

Title: Hiroyuki Iizuka: Innovator in Sensor Network Technology

Introduction

Hiroyuki Iizuka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of sensor networks, holding a total of 11 patents. His work focuses on enhancing communication systems through innovative sensor technologies.

Latest Patents

Iizuka's latest patents include a variety of advancements in sensor network systems. One notable patent describes a sensor network system that utilizes multiple sensor nodes to establish a tree-structured network topology. This system is designed to optimize the number of child nodes for each sensor node based on specific data capacity requirements. Another patent outlines a communication apparatus that dynamically sets thresholds for packet intervals, allowing for improved detection of flow timeouts in communication systems. These innovations reflect Iizuka's commitment to advancing sensor technology and communication efficiency.

Career Highlights

Throughout his career, Hiroyuki Iizuka has worked with notable companies such as NEC Communication Systems and NEC Corporation. His experience in these organizations has allowed him to develop and refine his expertise in sensor networks and communication technologies.

Collaborations

Iizuka has collaborated with several professionals in his field, including Tetsuya Ito and Yuichiro Ezure. These partnerships have contributed to the development of his innovative patents and advancements in sensor technology.

Conclusion

Hiroyuki Iizuka's contributions to sensor network technology have established him as a key figure in the field. His innovative patents and collaborations reflect his dedication to enhancing communication systems through advanced sensor technologies.

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