Location History:
- Higashimurayama, JP (2002 - 2003)
- Hachimori, JP (2008)
- Tokyo, JP (2010 - 2014)
- Chuo-ku, JP (2012 - 2016)
Company Filing History:
7 out of 1,458 
1 out of 377 
4 out of 832,880 Years Active: 2002-2016
Title: Yutaka Kagaya: Innovator in Semiconductor Technology
Introduction
Yutaka Kagaya is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 12 patents. His innovative work has paved the way for advancements in electronic devices and systems.
Latest Patents
Kagaya's latest patents include a stacked semiconductor device and a fabrication method for the same. This stacked semiconductor device is constructed by stacking in two levels. The lower semiconductor device features a wiring board with at least one semiconductor chip mounted on its first surface. The chip has electrodes that are electrically connected to the wiring through a connection means. An encapsulant composed of insulating plastic covers the semiconductor chip and the connection means. Additionally, a plurality of electrodes is formed over the wiring on the second surface of the wiring board, along with linking interconnects that connect the wiring of the first surface to the exposed portions of the encapsulant. The upper semiconductor device has electrodes that are electrically connected to these exposed portions.
Another notable patent involves a semiconductor device that includes a first conductive member connecting a chip to a wiring board pad and a second conductive member connecting the wiring board pad to a land on an insulator covering the chip and the wiring board. This device features a wiring board with connection pads and a semiconductor chip mounted on it, all covered with a sealing portion. Conductive members extend upward from the connection pads and are exposed from the sealing portion, allowing for rewiring lines to connect to these exposed conductive members.
Career Highlights
Throughout his career, Yutaka Kagaya has worked with notable companies, including Elpida Memory, Inc. His expertise in semiconductor technology has been instrumental in the development of advanced electronic components.
Collaborations
Kagaya has collaborated with several talented individuals in the field, including Hidehiro Takeshima and Masamichi Ishihara. Their combined efforts have contributed to the success of various projects and innovations.
Conclusion
Yutaka Kagaya's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence the development of modern electronic devices.