Location History:
- Hyogo-ken, JP (1997)
- Hyogo, JP (1990 - 2005)
Company Filing History:
5 out of 3,781 
2 out of 21,351 
Years Active: 1990-2005
Title: Tetsuichiro Ichiguchi: Innovator in Semiconductor Technology
Introduction
Tetsuichiro Ichiguchi is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 7 patents. His innovative work has paved the way for advancements in electronic devices and power management systems.
Latest Patents
Ichiguchi's latest patents include a semiconductor device that generates internal voltages stably. This invention allows for the switching of internal voltages, such as high voltage and intermediate voltage, based on a power supply level setting signal. When the external power supply voltage is low, a current drive transistor and an auxiliary drive transistor are set in a conductive state, allowing the external voltage to be transmitted on an internal power supply line. Conversely, when the external voltage is high, the comparing circuit activates to down-convert the voltage for generating a peripheral power supply voltage. Another notable patent is a semiconductor circuit device adaptable to multiple types of packages. This design features data pad regions arranged in four divided areas of a rectangular semiconductor memory chip, enabling selective utilization of data pads according to the word structure.
Career Highlights
Throughout his career, Ichiguchi has worked with leading companies in the semiconductor industry, including Renesas Technology Corporation and Mitsubishi Electric Corporation. His experience in these organizations has contributed to his expertise and innovative capabilities in semiconductor technology.
Collaborations
Ichiguchi has collaborated with notable colleagues such as Makoto Suwa and Junko Matsumoto. Their teamwork has fostered a creative environment that has led to the development of groundbreaking technologies in the semiconductor field.
Conclusion
Tetsuichiro Ichiguchi's contributions to semiconductor technology are noteworthy, with his patents reflecting his innovative spirit and technical expertise. His work continues to influence the industry and inspire future advancements in electronic devices.