This inventor holds 3 USPTO granted patents. Top assignee: Other. Active years: 2003-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hyogo, JP (2003 - 2004)
- Tokyo, JP (2004)
Company Filing History:
3 out of 834,570 Years Active: 2003-2004
Title: Ryuji Ohmura: Innovator in Semiconductor Technology
Introduction
Ryuji Ohmura is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His innovative work focuses on enhancing the performance and reliability of semiconductor devices.
Latest Patents
One of Ryuji Ohmura's latest patents is a semiconductor device provided with memory chips. This invention allows for the identification and replacement of defective memory cells in a memory circuit, utilizing a pattern generation tester circuit and a repair analysis circuit. The address signal of the defective memory cell is stored in a replacement storage circuit, enabling the replacement of the defective cell with a spare cell even after packaging. This innovation not only increases yield but also reduces test time by allowing parallel testing of multiple memory chips.
Another notable patent is a semiconductor module that comprises a plurality of semiconductor chips mounted on a single substrate. This module is designed to readily diagnose all the semiconductor chips. It features a mode signal pin for receiving a mode signal to request diagnostic operations and a result output pin for outputting diagnostic results. Each semiconductor chip is equipped with a diagnostic circuit, and a diagnosis controller manages the diagnostic processes, allowing for parallel or serial diagnosis of all chips.
Career Highlights
Ryuji Ohmura has established himself as a key figure in semiconductor innovation. His work has led to advancements that improve the efficiency and reliability of semiconductor devices, making a lasting impact on the industry.
Collaborations
Throughout his career, Ryuji has collaborated with notable colleagues, including Kazushi Sugiura and Shinichi Kobayashi. These partnerships have contributed to the development of groundbreaking technologies in the semiconductor field.
Conclusion
Ryuji Ohmura's contributions to semiconductor technology exemplify his innovative spirit and dedication to improving electronic devices. His patents reflect a commitment to enhancing performance and reliability in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile