logo

For the Inventor, By the Inventor

Tokyo, Japan

Akiyoshi Yamamoto

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Elpida Memory, Inc.. Active years: 2005-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akiyoshi Yamamoto. Retrieved from https://idiyas.com/inventor/akiyoshi-yamamoto-8y317oea

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 5 

% Patents Active = 40.0

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 12(Granted Patents)


Company Filing History:

goldMedal5 out of 1,458 
 
Elpida Memory, Inc.
 patents

Years Active: 2005-2012

Loading Chart...
5 patents (USPTO):Explore Patents
1. 8310890 - Semiconductor memory device and method of testing the same (2012-11-13),
2. 8174915 - Semiconductor memory device and method of testing the same (2012-05-08),
3. 7515496 - Self-refresh timer circuit and method of adjusting self-refresh timer period (2009-04-07),
4. 7307909 - Self-refresh timer circuit and method of adjusting self-refresh timer period (2007-12-11),
5. 6859067 - Semiconductor apparatus (2005-02-22),

Title: Akiyoshi Yamamoto: Innovator in Semiconductor Technology

Introduction

Akiyoshi Yamamoto is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work has been instrumental in advancing the capabilities of semiconductor memory devices.

Latest Patents

Yamamoto's latest patents include a semiconductor memory device and a method of testing the same. This invention provides a device and a method for controlling the device. A first command is supplied to the device in synchronization with a clock signal of a first frequency. The first command instructs the device to perform a first operation. The frequency of the clock signal is then changed from the first frequency to a second frequency that is higher than the first frequency. Following this change, the device performs the first operation in synchronization with the clock signal of the second frequency.

Career Highlights

Akiyoshi Yamamoto has had a distinguished career at Elpida Memory, Inc., where he has been involved in groundbreaking research and development in semiconductor technology. His innovative approaches have led to advancements that enhance the performance and efficiency of memory devices.

Collaborations

Yamamoto has collaborated with notable colleagues, including Yoshinori Matsui and Hitoshi Tanaka. These partnerships have fostered a creative environment that has contributed to the success of their projects.

Conclusion

Akiyoshi Yamamoto's contributions to semiconductor technology exemplify the impact of innovation in the field. His patents and collaborative efforts continue to shape the future of memory devices.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…