Kodaira, Japan

Isamu Fujii

This inventor holds 3 USPTO granted patents. Top assignees: Elpida Memory, Inc., Hitachi Ulsi Systems Co., Ltd., Hitachi, Ltd.. Active years: 2005-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isamu Fujii. Retrieved from https://idiyas.com/inventor/isamu-fujii-g33doboc

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

Calculating rank

% Patents Active = 66.7

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 24(Granted Patents)


Location History:

  • Kodaira, JP (2005 - 2008)
  • Tokyo, JP (2010)

Company Filing History:


Years Active: 2005-2010

Loading Chart...
3 patents (USPTO):Explore Patents

Title: Isamu Fujii: Innovator in Semiconductor Technology

Introduction

Isamu Fujii is a prominent inventor based in Kodaira, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work has been instrumental in advancing the capabilities of semiconductor devices and memory systems.

Latest Patents

Fujii's latest patents include a semiconductor device featuring MOS transistors that are serially connected via contacts and a conduction layer. This innovative device comprises multiple signal lines arranged at a predetermined pitch, with first and second MOS transistors connected to these lines and to each other. A connection device serves as a node between the transistors, facilitating the connection of their source and drain areas through contact holes formed in an insulating layer.

Another notable patent is for a semiconductor memory device, which includes a memory cell array block and a circuit region aligned with the block. This design features a first region with a first and second circuit, and a second region containing multiple third circuits, all arranged to optimize performance.

Career Highlights

Throughout his career, Isamu Fujii has worked with leading companies in the semiconductor industry, including Elpida Memory, Inc. and Hitachi ULSI Systems Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.

Collaborations

Fujii has collaborated with notable colleagues such as Yuko Watanabe and Hiroki Fujisawa. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Isamu Fujii's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of advanced semiconductor devices and memory systems.

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…