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For the Inventor, By the Inventor

Tokyo, Japan

Toshio Tokita

This inventor holds 12 USPTO granted patents, plus 4 CIPO patents and 1 EPO patent. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Nippon Telegraph and Telephone Corporation. Active years: 1997-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Tokita. Retrieved from https://idiyas.com/inventor/toshio-tokita

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

USPTO Granted Patents = 12

% Patents Active = 91.7



Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 134(Granted Patents)


Location History:

  • Kanagawa, JP (1997)
  • Tokyo, JP (1999 - 2011)

Company Filing History:

goldMedal12 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
silverMedal5 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
where one patent can have more than one assignee

Years Active: 1997-2011

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12 patents (USPTO):Explore Patents
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. 7184549 - Method and apparatus for encryption, method and apparatus for decryption, and computer-readable medium storing program (2007-02-27),
7. 7096369 - Data transformation apparatus and data transformation method (2006-08-22),
8. 6466669 - Cipher processor, IC card and cipher processing method (2002-10-15),
9. 6415030 - Data transformation apparatus and data transformation method (2002-07-02),
10. 6201869 - Data transformation apparatus and data transformation method (2001-03-13),
11. 5912905 - Error-correcting encoder, error-correcting decoder and data transmitting (1999-06-15),
12. 5699368 - Error-correcting encoder, error-correcting decoder, and data (1997-12-16),

Title: Toshio Tokita: Innovator in Encryption Technology

Introduction

Toshio Tokita is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of encryption technology, holding a total of 12 patents. His work focuses on developing efficient systems for data transformation and security.

Latest Patents

Among his latest patents are two notable inventions: the "Block Encryption Device Using Auxiliary Conversion" and the "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 the encryption and decryption units using the same circuits, enhancing efficiency and reducing complexity.

Career Highlights

Toshio Tokita has had a distinguished career, working with leading companies in the technology sector. He has been associated with Mitsubishi Electric Corporation and Nippon Telegraph and Telephone Corporation, where he has contributed to various projects and advancements in technology.

Collaborations

Throughout his career, Tokita has collaborated with notable colleagues, including Mitsuru Matsui and Shiho Moriai. These partnerships have fostered innovation and have played a crucial role in the development of his patented technologies.

Conclusion

Toshio Tokita's contributions to encryption technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of data security and transformation, positioning him as 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]
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