Location History:
- Tokyo, JP (1985)
- Fussa, JP (1993)
Company Filing History:
2 out of 42,508 
1 out of 4 
1 out of 149 
Years Active: 1985-1993
Title: Isao Akima: Innovator in Semiconductor Technology
Introduction
Isao Akima is a notable inventor based in Fussa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on enhancing the performance and efficiency of electronic devices.
Latest Patents
Akima's latest patents include a semiconductor device and an electronic device with the semiconductor. The first patent describes a package designed to achieve higher packing density and circuit integration of memories. This innovative structure features multiple thin, surface mount packages stacked together. Each laminated package consists of a semiconductor pellet, leads fixed to the front surface, a radiating plate on the rear surface, and a resin mold member. The mold member is uniquely shaped to stabilize the laminated structure, allowing for efficient engagement between packages.
The second patent involves a high-speed semiconductor memory device equipped with a high-gain sense amplifier. In this design, a static type RAM utilizes a sense amplifier that includes first and second dissymmetric type differential amplifier circuits. These circuits are connected to a current mirror circuit, enhancing the operating speed of the RAM. The innovative design allows for amplified balanced signals, improving the overall performance of the memory device.
Career Highlights
Throughout his career, Isao Akima has worked with prominent companies such as Hitachi, Ltd. and Hitachi VLSI Engineering Corporation. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.
Collaborations
Some of Akima's notable coworkers include Kunihiko Nishi and Michio Tanimoto. Their collaboration has likely played a role in advancing the projects they worked on together.
Conclusion
Isao Akima's contributions to semiconductor technology through his patents and career achievements highlight his role as an influential inventor. His innovative designs continue to impact the field of electronics and memory devices.