Harunaga Hiwatari

USPTO Granted Patents = 22 (Patent Applications = 8)

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 6 (Patent Applications = 2)

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 25(Granted Patents)

Location History:

Kanagawa, JP (2013 - 2021)
Tokyo, JP (2012 - 2022)

Company Filing History:

Technical University of Denmark

patents

1 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 2012-2022

Loading Chart...

22 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 11269993 - Encryption device, encryption method, decryption device, and decryption method (2022-03-08),

2. 11153068 - Encryption device, encryption method, decryption device and decryption method (2021-10-19),

3. 10020945 - Information processing apparatus and to efficiently substitute coefficients of a multivariate polynomial (2018-07-10),

4. 9979549 - Information processing to perform authentication between a prover and a verifier (2018-05-22),

5. 9672007 - Device for performing arithmetic operations of multivariate polynomials, control method, and program (2017-06-06),

6. 9602285 - Authentication device, authentication method, and program (2017-03-21),

7. 9516007 - Verifier and prover have an authentication protocol with challenge-response with the challenge from prover having identification of the verifier (2016-12-06),

8. 9418245 - Encryption processing device, encryption processing method, and program (2016-08-16),

9. 9276735 - Information processing apparatus, signature generation apparatus, information processing method, signature generation method, and program (2016-03-01),

10. 9270458 - Encryption processing device, encryption processing method, and program (2016-02-23),

11. 9129122 - Signature verification apparatus, signature verification method, program, and recording medium (2015-09-08),

12. 9123194 - Print medium, card creation method, and program (2015-09-01),

13. 9083507 - Data processing device, data processing method, and program (2015-07-14),

14. 9076000 - Authentication device, authentication method, and program (2015-07-07),

15. 9031230 - Encryption processing device, encryption processing method, and program (2015-05-12),

Title: Harunaga Hiwatari: Innovator in Secure Encryption Technologies

Introduction: Harunaga Hiwatari is an accomplished inventor based in Kanagawa, Japan, known for his significant contributions to the field of encryption technology. With a remarkable portfolio of 22 patents, he has developed innovative solutions aimed at enhancing data security and processing efficiency.

Latest Patents: Among his latest patents are advanced systems for encryption and decryption devices and methods. One of his notable inventions is an encryption device that is resistant to side-channel attacks while minimizing processing load. This device employs a unique data encryption component that utilizes a white-box model where input/output values of multiple round functions can be externally recognized. Each round function integrates a tabulated encryption function operating under a black-box model, ensuring that intermediate values remain hidden from outside access. Additionally, it features an improved encryption method that suppresses reverse calculations in white-box model encryption through a trapdoor one-way function, allowing some output values to be encrypted while keeping other output values independent from the trapdoor function.

Career Highlights: Harunaga Hiwatari has an extensive career in research and development, having worked with prominent companies including Sony Corporation. His innovative approach to encryption technologies has earned him recognition in the tech industry, allowing him to pave the way for more secure communication systems.

Collaborations: Throughout his career, Hiwatari has collaborated with esteemed colleagues such as Taizo Shirai and Koichi Sakumoto. These partnerships have fostered the exchange of ideas and accelerated the development of cutting-edge technologies in encryption.

Conclusion: Harunaga Hiwatari stands out as a leading figure in the realm of encryption technology. His innovative patents reflect his commitment to advancing data security, and his contributions are likely to leave a lasting impact on the industry. As the demand for secure data solutions continues to grow, inventor's work will be pivotal in shaping the future of encryption.

This text is generated by artificial intelligence and may not be accurate.