This inventor holds 34 USPTO granted patents, primarily in Smart Card Technology. Top assignees: Hitachi, Ltd., Hitachi Microcomputer System, Ltd., Hitachi Ulsi Systems Co., Ltd.. Active years: 1985-2007.
Location History:
- Kodaira, JP (1985 - 1989)
- Tokorozawa, JP (1996 - 2007)
Company Filing History:
33 out of 42,719Â 
1 out of 64Â 
1 out of 336Â 
Years Active: 1985-2007
Areas of Expertise:
Title: Masaru Ohki: Innovator in Cryptography and RFID Technology
Introduction
Masaru Ohki, a prominent inventor based in Tokorozawa, Japan, has made significant contributions to the fields of cryptography and RFID technology. With an impressive portfolio of 34 patents, Ohki's innovations are pivotal in enhancing security and authenticity verification in various applications.
Latest Patents
Ohki's latest patents reflect his commitment to tackling contemporary challenges in information security. One of his notable inventions is a tamper-resistant processing method, designed to mitigate risks associated with crypto-processing in devices such as IC cards. This technology reduces the correlation between the waveform of the consumption current and the contents of the crypto-processing, providing a robust countermeasure against potential tampering. Furthermore, his work on RFID tag systems encompasses a structure that allows for the authenticity determination of articles. The system utilizes read-only RFID tags, enabling effective verification while managing product information efficiently.
Career Highlights
Throughout his career, Ohki has worked with notable companies such as Hitachi, Ltd., where he has contributed to pioneering advancements in technology. His innovative approach has not only advanced his company's objectives but has also influenced the industry standards in cryptography and RFID implementations.
Collaborations
Masaru Ohki has collaborated with esteemed colleagues like Yusuke Mishina and Masahiro Kaminaga. Their combined expertise has played a significant role in the successful development of complex technologies and patent submissions, showcasing the importance of teamwork in innovation.
Conclusion
Masaru Ohki's work exemplifies the spirit of innovation in addressing security challenges through advanced cryptographic methods and RFID technology. As technology continues to evolve, his contributions will undoubtedly leave a lasting impact on the industry, inspiring future inventors and researchers.