This inventor holds 17 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Renesas Electronics Corporation, Mitsubishi Denki Kabushiki Kaisha, Matsushita Electric Industrial Co., Ltd.. Active years: 2000-2024.
Location History:
- Itami, JP (2003)
- Hyogo, JP (2003 - 2005)
- Kanagawa, JP (2016 - 2018)
- Tokyo, JP (2000 - 2024)
Company Filing History:
9 out of 7,649 
3 out of 21,351 
2 out of 27,375 
Years Active: 2000-2024
Title: The Innovative Mind of Seiji Muranaka
Introduction
Seiji Muranaka is a prominent inventor based in Tokyo, Japan, known for his contributions to semiconductor technology. With a remarkable portfolio of 17 patents, Muranaka has made significant strides in enhancing the performance of semiconductor devices. His work is characterized by innovative techniques that improve device efficiency and reliability.
Latest Patents
Muranaka’s latest patents include groundbreaking technologies in semiconductor devices. One notable invention details a semiconductor device with an interconnection structure and a method of manufacturing the same. This invention enhances the performance of semiconductor devices by optimizing the deposition time of tantalum nitride films. In one embodiment, he increased the deposition time from 4.6 seconds to 6.9 seconds, allowing the tantalum nitride film thickness to fall within a range of 5 to 10 nm.
Another recent patent focuses on semiconductor devices with copper interconnections, offering similar improvements in performance through advanced manufacturing techniques. Muranaka’s innovative approaches showcase the importance of precise film thickness in enhancing semiconductor functionality.
Career Highlights
Throughout his career, Seiji Muranaka has worked with leading technology firms, notably Renesas Electronics Corporation and Mitsubishi Electric Corporation. His experience in these prestigious organizations has equipped him with the skills and knowledge necessary to drive forward-thinking innovations in the semiconductor field.
Collaborations
Muranaka has collaborated with several talented coworkers, including Kazuyuki Omori and Kazuyoshi Maekawa. These partnerships have facilitated the exchange of ideas and expertise, propelling their collective advancements in semiconductor technology.
Conclusion
Seiji Muranaka’s contributions to the field of semiconductor technology exemplify the spirit of innovation. With his patents addressing critical challenges in performance and efficiency, Muranaka continues to play a pivotal role in shaping the future of semiconductor devices. His dedication to improving technology makes him a notable figure in the realm of inventors.