Company Filing History:

10 out of 5,289

Nippon Telegraph and Telephone Corporation

patents

5 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

1 out of 522

Nippon Telegraph and Telephone Public Corporation

patents

where one patent can have more than one assignee

Years Active: 2000-2011

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11 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 7864950 - Block encryption device using auxiliary conversion (2011-01-04),

2. 7822196 - Block cipher apparatus using auxiliary transformation (2010-10-26),

3. 7760871 - Block cipher using auxiliary transformation (2010-07-20),

4. 7760870 - Block cipher apparatus using auxiliary transformation (2010-07-20),

5. 7697684 - Block cipher apparatus using auxiliary transformation (2010-04-13),

6. 7187769 - Method and apparatus for evaluating the strength of an encryption (2007-03-06),

7. 6859818 - Method and apparatus for permuting input data and recording medium having stored thereon a program for executing permutation (2005-02-22),

8. 6850960 - Inverse calculation apparatus and recording medium having stored thereon a program for executing inverse calculation (2005-02-01),

9. 6769063 - Data converter and recording medium on which program for executing data conversion is recorded (2004-07-27),

10. 6578061 - Method and apparatus for data permutation/division and recording medium with data permutation/division program recorded thereon (2003-06-10),

11. 6038581 - Scheme for arithmetic operations in finite field and group operations (2000-03-14),

Title: Kazumaro Aoki: Innovator in Block Encryption Technology

Introduction

Kazumaro Aoki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of encryption technology, holding a total of 11 patents. His work focuses on developing efficient systems for data transformation and security.

Latest Patents

Aoki's latest patents include a "Block encryption device using auxiliary conversion" and a "Block cipher apparatus using auxiliary transformation." Both inventions aim to share a single circuit between an encryption unit and a decryption unit. In these designs, a normal data transformation unit and an inverse data transformation unit are symmetrically positioned on a non-linear data transformation unit. This innovative approach allows for the configuration of both encryption and decryption units using the same circuits, enhancing efficiency and reducing complexity.

Career Highlights

Throughout his career, Aoki has worked with notable companies such as Nippon Telegraph and Telephone Corporation and Mitsubishi Electric Corporation. His experience in these organizations has contributed to his expertise in the field of telecommunications and data security.

Collaborations

Aoki has collaborated with several talented individuals, including Masayuki Kanda and Shiho Moriai. These partnerships have fostered innovation and advancement in their respective fields.

Conclusion

Kazumaro Aoki's contributions to encryption technology demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of data security and transformation, making him a significant figure in the industry.

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