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For the Inventor, By the Inventor

Saga, Japan

Katsutoshi Moriyama

This inventor holds 10 USPTO granted patents. Top assignee: Sony Corporation. Active years: 2006-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsutoshi Moriyama. Retrieved from https://idiyas.com/inventor/katsutoshi-moriyama

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

Calculating rank
USPTO Granted Patents = 10

Average Co-Inventor Count = 2.4

ph-index = 3

Forward Citations = 58(Granted Patents)


Company Filing History:

goldMedal10 out of 58,150 
 
Sony Corporation
 patents

Years Active: 2006-2015

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10 patents (USPTO):Explore Patents
1. 9123308 - Display memory, driver circuit, display, and portable information device (2015-09-01),
2. 7542335 - Magnetic storage device using ferromagnetic tunnel junction element (2009-06-02),
3. 7385845 - Composite storage circuit and semiconductor device having the same (2008-06-10),
4. 7376801 - Power saving data storage circuit, data writing method in the same, and data storage device (2008-05-20),
5. 7239539 - Magnetic storage apparatus using ferromagnetic tunnel junction device (2007-07-03),
6. 7177203 - Data readout circuit and semiconductor device having the same (2007-02-13),
7. 7176864 - Display memory, driver circuit, display, and cellular information apparatus (2007-02-13),
8. 7130224 - Composite storage circuit and semiconductor device having the same composite storage circuit (2006-10-31),
9. 7075813 - Storage device using resistance varying storage element and reference resistance value decision method for the device (2006-07-11),
10. 7020010 - Magnetic storage apparatus using ferromagnetic tunnel junction devices (2006-03-28),

Title: Innovations of Katsutoshi Moriyama

Introduction

Katsutoshi Moriyama is a prominent inventor based in Saga, Japan. He has made significant contributions to the field of technology, particularly in display memory and magnetic storage devices. With a total of 10 patents to his name, Moriyama's work has had a substantial impact on the industry.

Latest Patents

Moriyama's latest patents include a display memory, driver circuit, display, and portable information device. This display memory is designed to reduce power consumption while generating graphics at high speed without the need for memory mapping. The driver circuit and display utilize this innovative memory, allowing for efficient operation. Additionally, he has developed a magnetic storage device using ferromagnetic tunnel junction elements, which enhances reliability by precisely writing storage data. This device features adjacent ferromagnetic tunnel junction elements on a semiconductor substrate, with writing lines wound around them in opposite directions.

Career Highlights

Katsutoshi Moriyama is currently employed at Sony Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of electronic devices, particularly in the areas of display technology and data storage.

Collaborations

Moriyama has collaborated with notable colleagues such as Hironobu Mori and Nobumichi Okazaki. Their combined expertise has contributed to the success of various projects and innovations within the company.

Conclusion

Katsutoshi Moriyama's contributions to technology through his patents and work at Sony Corporation highlight his role as a leading inventor in the field. His innovative solutions continue to shape the future of electronic devices and data storage.

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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