This inventor holds 16 USPTO granted patents and 4 published patent applications. Top assignees: Kioxia Corporation, Toshiba Memory Corporation. Active years: 2017-2026.
Location History:
- Yokkaichi, JP (2017 - 2019)
- Nagoya Aichi, JP (2021 - 2024)
- Nagoya, JP (2022 - 2024)
- Aichi, JP (2024)
Company Filing History:
Years Active: 2017-2026
Title: Innovations of Tatsufumi Hamada
Introduction
Tatsufumi Hamada is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 16 patents. His work has been instrumental in advancing the capabilities of semiconductor storage devices.
Latest Patents
Hamada's latest patents include a semiconductor storage device and a method of manufacturing such devices. The semiconductor storage device features a stacked body and a pillar that consists of an insulating core, a channel layer, and a memory film. The design incorporates multiple gate electrode layers, which enhance the device's functionality. Another notable patent is for a three-dimensional type NAND memory device, which outlines a method for manufacturing semiconductor devices through a series of intricate steps involving stacked films and insulators.
Career Highlights
Throughout his career, Tatsufumi Hamada has worked with leading companies in the semiconductor industry, including Kioxia Corporation and Toshiba Memory Corporation. His expertise in semiconductor technology has positioned him as a key figure in the development of innovative storage solutions.
Collaborations
Hamada has collaborated with notable colleagues such as Shinichi Sotome and Tomohiro Kuki. These partnerships have contributed to the advancement of semiconductor technologies and the successful development of various patents.
Conclusion
Tatsufumi Hamada's contributions to semiconductor technology through his patents and collaborations highlight his importance in the field. His innovative work continues to influence the development of advanced storage devices.

