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For the Inventor, By the Inventor

Tokyo, Japan

Kiyotaka Horikawa

This inventor holds 6 USPTO granted patents. Top assignee: Nec Corporation. Active years: 1998-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyotaka Horikawa. Retrieved from https://idiyas.com/inventor/kiyotaka-horikawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 3

Forward Citations = 58(Granted Patents)


Company Filing History:

goldMedal6 out of 36,735 
 
Nec Corporation
 patents

Years Active: 1998-2005

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6 patents (USPTO):Explore Patents
1. 6965583 - TCP/IP communication system and communication channel releasing method in the same (2005-11-15),
2. 6708030 - Selection method of a handoff system in a CDMA mobile communication system (2004-03-16),
3. 6643524 - Base station serial connection communication system in a mobile communication system (2003-11-04),
4. 5995494 - Data communication using network DCE and modified channel associated (1999-11-30),
5. 5809031 - Apparatus of stuff synchronization frame control (1998-09-15),
6. 5722085 - Terminal adapter, switching equipment ancillary device and data (1998-02-24),

Title: Kiyotaka Horikawa: Innovator in Communication Systems

Introduction

Kiyotaka Horikawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of communication systems, holding a total of 6 patents. His work focuses on enhancing the efficiency and functionality of communication technologies.

Latest Patents

Horikawa's latest patents include a TCP/IP communication system and a communication channel releasing method. This innovative TCP/IP communication system features a provider side unit connected to a first communication terminal through a line network, along with a mobile switching controller linked to a second communication terminal. The system is designed to facilitate data transfer between the two terminals using first and second termination circuits, which are integral to the mobile switching controller. Additionally, he has developed a selection method for a handoff system in a CDMA mobile communication system. This method allows for the selection of either a hard or soft handoff system based on the conditions of a call, enhancing the adaptability of mobile communication.

Career Highlights

Kiyotaka Horikawa is currently employed at NEC Corporation, where he continues to innovate in the field of communication technology. His expertise and contributions have positioned him as a key figure in the development of advanced communication systems.

Collaborations

Throughout his career, Horikawa has collaborated with notable colleagues, including Nobuaki Ishii and Tsutomu Nozaki. These collaborations have further enriched his work and expanded the impact of his inventions.

Conclusion

Kiyotaka Horikawa's contributions to communication technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative approaches continue to shape the future of communication systems.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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