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For the Inventor, By the Inventor

Tokyo, Japan

Masayuki Nakazawa

This inventor holds 56 USPTO granted patents and 29 published patent applications and 4 EPO patents, primarily in Mobile Communication Systems (CPC class H04W). Top assignees: Mitsubishi Electric Corporation, Konica Corporation, Konica Minolta Medical and Graphic, Inc.. Active years: 1991-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Nakazawa. Retrieved from https://idiyas.com/inventor/masayuki-nakazawa

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

USPTO Granted Patents = 56 

% Patents Active = 57.1

 

Average Co-Inventor Count = 3.0

ph-index = 8

Forward Citations = 254(Granted Patents)

Forward Citations (Not Self Cited) = 238(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hino, JP (1991 - 2004)
  • Hachioji, JP (1991 - 2020)
  • Tokyo, JP (1994 - 2024)

Company Filing History:

goldMedal31 out of 16,602 
 
Mitsubishi Electric Corporation
 patents
silverMedal17 out of 3,106 
 
Konica Corporation
 patents
bronzeMedal4 out of 389 
 
Konica Minolta Medical and Graphic, Inc.
 patents
4. 2 out of 4,387 
 
Konica Minolta, Inc.
 patents
5. 1 out of 2 
 
Konica Minolta & Medical Graphic, Inc.
 patents
6. 1 out of 21 
 
Mitsubishi Electronic Corporation
 patents

Years Active: 1991-2026

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Areas of Expertise:
Mobile Communication
Base Station
User Equipment
Control Plane
Enhanced Handover
Dynamic Analysis
Kinetic Analysis
Medical Imaging
Image Processing
Interference Control
Cell Reselection
Self-Contained Subframe
56 patents (USPTO):Explore Patents
1. 12750874 - Radio communication system, base station and communication terminal for radio communication between communication terminal and base station using subcarriers (2026-09-29),
2. 12726284 - User apparatus, base station and communication system performing measurement in accordance with gap configuration information (2026-09-01),
3. 12635031 - Cell reselection recognition by a terminal in a communication system (2026-05-19),
4. 12375989 - Mobile communication system, base station, master base station, secondary base station and user equipment (2025-07-29),
5. 12160883 - Mobile communication system, mobile terminal and base station (2024-12-03),
6. 12035280 - Communication system, secondary base station, and user apparatus communicating with secondary base station in a control plane (2024-07-09),
7. 12004073 - Mobile communication system (2024-06-04),
8. 11997557 - Mobile communication system, master base station, secondary base station, target base station and user equipment (2024-05-28),
9. 11350345 - Mobile communication system (2022-05-31),
10. 11343798 - Communication system (2022-05-24),
11. 11201703 - Communication system (2021-12-14),
12. 11128389 - Communication system, base station device and communication terminal device (2021-09-21),
13. 11006427 - Communication system, base station, and communication terminal for controlling interference from neighboring cells (2021-05-11),
14. 10959283 - Cell reselection recognition by a terminal in a communication system (2021-03-23),
15. 10827462 - Communication system (2020-11-03),

Title: Masayuki Nakazawa: Innovator in Mobile Communication Technology

Introduction

Masayuki Nakazawa, based in Tokyo, Japan, is a remarkable inventor with a significant contribution to the field of mobile communications. With an impressive portfolio of 52 patents, he has continually pushed the boundaries of innovation in this dynamic sector.

Latest Patents

Among his latest inventions are two notable patents. The first is a mobile communication system designed to easily notify interference-related information, thereby avoiding disruptions in environments where macro cells and local nodes coexist. This system allows a macro cell, known as eNB, to inform the user equipment (UE) about potential interference affecting physical resource usage, employing indicators such as high interference indication (HII) and an overload indicator (OI).

The second patent relates to a communication system that includes multiple base stations. This system features an MeNB as the first base station and connects to several SeNBs. In this innovative setup, control plane data for communication management and user plane data for user interactions are efficiently exchanged via the MeNB, streamlining the processing of communication with multiple base station devices.

Career Highlights

Masayuki Nakazawa's career spans impactful roles with prestigious companies such as Mitsubishi Electric Corporation and Konica Corporation. His work has played a crucial role in advancing mobile communication systems, enabling innovations that have been pivotal to the industry's evolution.

Collaborations

Throughout his career, Nakazawa has collaborated with esteemed colleagues, including Mitsuru Mochizuki and Taisei Suemitsu. Their collective expertise has undoubtedly contributed to the successful development of advanced communication technologies that improve connectivity and user experience.

Conclusion

In conclusion, Masayuki Nakazawa stands out as a visionary inventor in mobile communication technology. His extensive patent portfolio exemplifies a commitment to innovation that continues to influence the future of connectivity worldwide.

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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