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Yoshikazu Katoh

USPTO Granted Patents = 45

EPO Patents = 4 (Patent Applications = 1)

Average Co-Inventor Count = 1.8

ph-index = 10

Forward Citations = 345(Granted Patents)

Company Filing History:

29 out of 13,289

Panasonic Intellectual Property Management Co., Ltd.

14 out of 16,453

Panasonic Corporation

Panasonic Holdings Corporation

4. 1 out of 167

Nuvoton Technology Corporation Japan

Years Active: 2010-2022

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Areas of Expertise:

Non-Volatile Memory Device

Authentication Apparatus

Image Forgery Protection

Cryptographic Processing Device

Tamper-Resistant Memory

Resistance Change Memory

Random Number Processing

Variable Resistance Memory

Integrated Circuit Card

Data Storing Method

Semiconductor Device

Memory Cell

45 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11404119 - Non-volatile memory device and challenge response method (2022-08-02),

2. 11195582 - Non-volatile memory device and method of writing to non-volatile memory device (2021-12-07),

3. 10574639 - Authentication apparatus utilizing physical characteristic (2020-02-25),

4. 10559051 - Image forgery protection apparatus (2020-02-11),

5. 10410719 - Non-volatile memory device including a memory cell in a variable state and a memory cell in an initial state (2019-09-10),

6. 10096359 - Nonvolatile memory device having resistive memory cells including at least one resistive memory cell initial state (2018-10-09),

7. 10049734 - Data storing method of non-volatile memory device by assigning an initial state to data (2018-08-14),

8. 9948471 - Tamper-resistant non-volatile memory device and integrated circuit card (2018-04-17),

9. 9921975 - Cryptographic processing device having a non-volatile memory including memory cells in an initial or a variable state (2018-03-20),

10. 9898598 - Authentication system having a non-volatile memory including memory cells in initial or variable states and a host computer for performing authentication therebetween (2018-02-20),

11. 9892783 - Non-volatile memory device including memory cells having variable resistance values (2018-02-13),

12. 9842645 - Nonvolatile memory device including nonvolatile memory and resistance-time converter, and integrated circuit card including nonvolatile memory device (2017-12-12),

13. 9823899 - Random number processing device generating random numbers by using data read from non-volatile memory cells, and integrated circuit card (2017-11-21),

14. 9811476 - Encryption and recording apparatus, encryption and recording system, and encryption and recording method (2017-11-07),

15. 9653161 - Tamper-resistant non-volatile memory device comprising an arithmetic circuit that, in operation, calculates a binary reference value based on at least a part of the pieces of resistance value information, a read circuit that, in operation, selectively assigns, based on the binary reference value, one of two values to each of the pieces of resistance value information, and a write circuit that, in operation, performs a write operation corresponding to one of the two values among memory cells (2017-05-16),

Title: Innovations of Yoshikazu Katoh in Non-volatile Memory Technology

Introduction

Yoshikazu Katoh, based in Osaka, Japan, is a prominent inventor known for his remarkable contributions to the field of non-volatile memory devices. With an impressive portfolio of 45 patents, Katoh has significantly advanced technology related to memory storage solutions.

Latest Patents

Among his latest patents, Katoh has developed innovative technologies such as a non-volatile memory device and a challenge response method. This device incorporates a data generation circuit and a reconfiguration processing circuit. It enables the generation of third response data during a reconfiguration writing process, as well as fourth response data that matches the second response data under specific conditions. Furthermore, another significant patent details a method of writing to a non-volatile memory device. It encompasses a memory group comprised of variable resistance memory cells to record digital data based on resistance value magnitudes. This innovation features a read circuit capable of conducting parallel read operations, reducing the correlation between side-channel leakage and stored information.

Career Highlights

Yoshikazu Katoh has made substantial contributions through his work at notable companies, particularly at Panasonic Intellectual Property Management Co., Ltd. and Panasonic Corporation. His strong background in memory technology positions him as a key figure in advancing innovations within this sector.

Collaborations

Throughout his career, Katoh has collaborated with distinguished professionals, including Kazuhiko Shimakawa and Yuhei Yoshimoto. Their collective expertise has significantly contributed to the successful development of innovative memory solutions.

Conclusion

Yoshikazu Katoh's ongoing dedication to advancing non-volatile memory technology through his numerous patents exemplifies his status as an influential inventor. His work continues to shape the future of data storage and processing, paving the way for further innovations in the technology landscape.

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