Kawasaki, Japan

Mamiko Kujiraoka

This inventor holds 8 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 2015-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mamiko Kujiraoka. Retrieved from https://idiyas.com/inventor/mamiko-kujiraoka

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

USPTO Granted Patents = 8 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.5

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Kanagawa, JP (2019)
  • Kawasaki, JP (2015 - 2021)
  • Kawasaki Kanagawa, JP (2023)

Company Filing History:


Years Active: 2015-2025

Loading Chart...
Loading Chart...
8 patents (USPTO):Explore Patents

Title: Mamiko Kujiraoka: Innovator in Quantum Cryptography

Introduction

Mamiko Kujiraoka is a prominent inventor based in Kawasaki, Japan. She has made significant contributions to the field of quantum cryptography, holding a total of 8 patents. Her work focuses on enhancing security in communication systems through innovative quantum technologies.

Latest Patents

Kujiraoka's latest patents include a quantum cryptographic device, a quantum cryptographic communication fee calculation system, and a quantum cryptographic communication fee calculation method. According to an embodiment, her quantum cryptographic device comprises a memory and one or more processors. These processors are designed to tabulate information on an application key transmitted and received using a quantum cryptographic key, outputting an application-key information tabulation result. They also calculate a unit price of the application key based on this result and display information that includes the unit price. Additionally, her application-key management system features multiple application-key management devices and a comprehensive management device, enhancing the efficiency of application key storage and deletion.

Career Highlights

Kujiraoka is currently employed at Kabushiki Kaisha Toshiba, where she continues to develop groundbreaking technologies in quantum cryptography. Her work has positioned her as a leader in this innovative field, contributing to advancements that could redefine secure communications.

Collaborations

Some of her notable coworkers include Hayato Goto and Kouichi Ichimura, who collaborate with her on various projects within the company.

Conclusion

Mamiko Kujiraoka's contributions to quantum cryptography exemplify her innovative spirit and dedication to advancing technology. Her patents reflect her commitment to enhancing security in communication systems, making her a key figure in the field.

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]
Loading…