Location History:
- Fucyu, JP (1991)
- Shin, JP (1993)
- Oume, JP (1996 - 1997)
- Ome, JP (1996 - 1999)
- Ohme, JP (1990 - 2005)
- Fussa, JP (2004 - 2008)
- Tokyo, JP (2008)
Company Filing History:
33 out of 42,496 
7 out of 182 
5 out of 29,263 
Years Active: 1990-2008
Title: Hidetoshi Iwai: Innovator in Semiconductor Memory Technologies
Introduction
Hidetoshi Iwai, based in Ohme, Japan, is a prominent innovator known for his substantial contributions to semiconductor memory technologies. With an impressive record of 36 patents, Iwai's work has greatly impacted the field of electronics, particularly in data retention and error correction methods in memory devices.
Latest Patents
Among Iwai's latest patents is a groundbreaking semiconductor memory device that features a data retention operating mode. This device is designed to calculate parity information for data stored in memory cells, allowing for error correction when transitioning out of the data retention mode. The inclusion of an Error Correction Circuit (ECC) enhances the reliability and functionality of memory operations. Another notable patent details a data storing method for dynamic RAM, which incorporates a check bit for error detection and correction. This innovative method allows for extended refresh cycles while ensuring data integrity through error-correcting operations.
Career Highlights
Hidetoshi Iwai worked at esteemed companies such as Hitachi and Hitachi VLSI Engineering Corporation, where he honed his skills and contributed to significant advancements in the semiconductor industry. His extensive experience with these leading firms has equipped him with unique insights and expertise in the field of memory technology.
Collaborations
Throughout his career, Iwai has collaborated with notable colleagues, including Masamichi Ishihara and Kazuyuki Miyazawa. These partnerships have facilitated the exchange of ideas and innovations, fostering advancements in semiconductor memory solutions.
Conclusion
Hidetoshi Iwai stands out as a significant figure in the realm of semiconductor memory devices. Through his innovative patents and collaborations, he continues to drive advancements in technology, enhancing the efficiency and reliability of data storage mechanisms. His contributions will no doubt leave a lasting impact on the industry for years to come.