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For the Inventor, By the Inventor

Hamura, Japan

Yuko Ito

This inventor holds 8 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Computer Engineering Co., Ltd.. Active years: 1993-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuko Ito. Retrieved from https://idiyas.com/inventor/yuko-ito

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

Calculating rank
USPTO Granted Patents = 8

% Patents Active = 87.5

Average Co-Inventor Count = 4.2

ph-index = 5

Forward Citations = 110(Granted Patents)


Location History:

  • Ohme, JP (1993)
  • Ome, JP (1994)
  • Hamura, JP (1994 - 2004)
  • Akishima, JP (2016)

Company Filing History:

goldMedal8 out of 42,743 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 61 
 
Hitachi Computer Engineering Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1993-2016

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8 patents (USPTO):Explore Patents
1. 9291671 - Semiconductor integrated circuit (2016-03-22),
2. 6760895 - Design method of semiconductor device (2004-07-06),
3. 6530066 - Method of computing wiring capacitance, method of computing signal propagation delay due to cross talk and computer-readable recording medium storing such computed data (2003-03-04),
4. 6034912 - Semiconductor integrated circuit device and method of manufacturing the (2000-03-07),
5. 5898636 - Semiconductor integrated circuit device with interleaved memory and (1999-04-27),
6. 5341049 - Integrated circuit having alternate rows of logic cells and I/O cells (1994-08-23),
7. 5306948 - Semiconductor device and semiconductor module having auxiliary high (1994-04-26),
8. 5274280 - Semiconductor integrated circuit device having separate supply voltages (1993-12-28),

Title: Yuko Ito: Innovator in Semiconductor Technology

Introduction

Yuko Ito is a prominent inventor based in Hamura, Japan, known for her significant contributions to semiconductor technology. With a total of 8 patents, she has made remarkable advancements in the design and functionality of integrated circuits.

Latest Patents

One of her latest patents involves a semiconductor integrated circuit that features a ring oscillator formed by a variable delay circuit. This innovation allows the ring oscillator to oscillate during the test operation of the variable delay circuit, determining the normality of the circuit based on whether it meets specific monotonic increase and linearity conditions. Another notable patent is a design method for semiconductor devices, which enhances the accuracy of delay and crosstalk noise calculations. This method is particularly useful for designing microprocessors, ASICs, and high-speed high-performance LSIs. It involves calculating delays using total capacitance, modifying wiring until targeted in-cycle transfer is achieved, and ensuring that malfunctioning caused by crosstalk is minimized.

Career Highlights

Yuko Ito has worked with esteemed companies such as Hitachi, Ltd. and Hitachi Computer Engineering Co., Ltd. Her experience in these organizations has allowed her to refine her skills and contribute to groundbreaking technologies in the semiconductor field.

Collaborations

Throughout her career, Yuko has collaborated with notable colleagues, including Satoru Isomura and Atsushi Shimizu. These partnerships have fostered innovation and have been instrumental in her success as an inventor.

Conclusion

Yuko Ito's contributions to semiconductor technology exemplify her dedication to innovation and excellence. Her patents reflect her expertise and commitment to advancing the field, making her a significant figure in the world of technology.

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]
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