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For the Inventor, By the Inventor

Tokyo, Japan

Masayuki Nakano

This inventor holds 17 USPTO granted patents and 4 published patent applications and 3 EPO patents, primarily in Optical Communication. Top assignees: Dowa Electronics Materials Co., Ltd., Nec Corporation, Dena Co., Ltd.. Active years: 1994-2026.

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

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

Calculating rank
USPTO Granted Patents = 17 

% Patents Active = 47.1

 

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 242(Granted Patents)


Location History:

  • Chiyoda-ku, JP (2012 - 2014)
  • Tokyo, JP (1994 - 2020)

Company Filing History:

goldMedal9 out of 315 
 
Dowa Electronics Materials Co., Ltd.
 patents
silverMedal5 out of 36,770 
 
Nec Corporation
 patents
bronzeMedal1 out of 166 
 
Dena Co., Ltd.
 patents
4. 1 out of 1 
 
Ido Corporation
 patent
5. 1 out of 11 
 
Nihon Dengyo Kosaku Co., Ltd.
 patents
6. 1 out of 101 
 
Onoda Cement Co., Ltd.
 patents
7. 1 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 1994-2026

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Areas of Expertise:
Optical Transceiver
Optical Communication
Light-Emitting Diode
Deep Ultraviolet
Solder Layer
Submount
Avatar Image Management
Monitoring Optical Signal
Laser Diode
Reflector Antenna
Calcium Silicate
17 patents (USPTO):Explore Patents
1. 12771453 - Optical transceiver, optical communication system, and method for inputting light to optical transceiver (2026-10-20),
2. 12402448 - Method of producing reflective electrode for deep ultraviolet light-emitting element, method of producing deep ultraviolet light-emitting element, and deep ultraviolet light-emitting element (2025-08-26),
3. 10839584 - System, method, and program for managing evaluation of avatar images (2020-11-17),
4. 9287458 - Semiconductor light emitting diode and method of producing the same (2016-03-15),
5. 8809894 - Semiconductor light emitting diode and method of producing the same (2014-08-19),
6. 8747579 - Solder layer and device bonding substrate using the same and method for manufacturing such a substrate (2014-06-10),
7. 8581106 - Submount (2013-11-12),
8. 8516692 - Solder layer, substrate for device joining utilizing the same and method of manufacturing the substrate (2013-08-27),
9. 8472208 - Submount and method of manufacturing the same (2013-06-25),
10. 8404359 - Solder layer and electronic device bonding substrate and submount using the same (2013-03-26),
11. 8310047 - Solder layer, heat sink using such a solder layer and method for manufacturing such a heat sink (2012-11-13),
12. 7325975 - Optical module with lever that abuts case to release latch from locking state with cage which accommodates optical module (2008-02-05),
13. 6795657 - Circuit and method for monitoring optical signal level (2004-09-21),
14. 6600585 - Optical transmitter (2003-07-29),
15. 6292497 - Laser diode driving method and circuit (2001-09-18),

Title: Masayuki Nakano: Innovator in Deep Ultraviolet Light-Emitting Technology

Introduction

Masayuki Nakano is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of deep ultraviolet light-emitting elements, holding a total of 17 patents. His innovative work has paved the way for advancements in various technologies.

Latest Patents

Among his latest patents, Nakano has developed a method of producing a reflective electrode for deep ultraviolet light-emitting elements. This method enables a balance of high light emission output and excellent reliability. The process involves several steps, including the formation of a nickel layer on a p-type contact layer, followed by the application of a rhodium reflective metal layer, and concludes with heat treatment to enhance performance. Additionally, he has created a system, method, and program for managing the evaluation of avatar images, which allows users to participate in contests and receive avatar stamps based on evaluations.

Career Highlights

Throughout his career, Nakano has worked with notable companies such as Dowa Electronics Materials Co., Ltd. and NEC Corporation. His experience in these organizations has contributed to his expertise in developing cutting-edge technologies.

Collaborations

Some of Nakano's coworkers include Yoshikazu Oshika and Munenori Hashimoto, who have collaborated with him on various projects.

Conclusion

Masayuki Nakano's innovative contributions to deep ultraviolet light-emitting technology and his collaborative efforts with industry professionals highlight his significant impact in the field. His work continues to influence advancements in technology and innovation.

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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