Masaki Yoshizawa

This inventor holds 9 USPTO granted patents. Top assignees: Sony Corporation, Imec Vzw. Active years: 1998-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Yoshizawa. Retrieved from https://idiyas.com/inventor/masaki-yoshizawa

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

USPTO Granted Patents = 9

% Patents Active = 22.2

Average Co-Inventor Count = 1.6

ph-index = 3

Forward Citations = 19(Granted Patents)

Location History:

Saitama, JP (1998 - 2006)
Kanagawa, JP (2003 - 2006)
Yorktown Heights, NY (US) (2010)

Company Filing History:

where one patent can have more than one assignee

Years Active: 1998-2010

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7709160 - Method for manufacturing attenuated phase-shift masks and devices obtained therefrom (2010-05-04),

2. 7131002 - Authentication method, authentication system, semiconductor circuit and authentication module (2006-10-31),

3. 7022607 - Mask and its manufacturing method, and method for manufacturing semiconductor device (2006-04-04),

4. 7019931 - Tape drive apparatus (2006-03-28),

5. 6916582 - Mask for fabrication of semiconductor devices, process for production of the same, and process for fabrication of semiconductor devices (2005-07-12),

6. 6740459 - Method of designing photosensitive composition and lithography process (2004-05-25),

7. 6548214 - Method of lithography utilizing orthogonal experiment to improve profile (2003-04-15),

8. 6193183 - Tape tension control apparatus (2001-02-27),

9. 5746384 - Tape tension control apparatus (1998-05-05),

Title: Masaki Yoshizawa: Innovator in Semiconductor Technology

Introduction

Masaki Yoshizawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 9 patents. His work focuses on enhancing the reliability and efficiency of semiconductor devices through innovative methods and systems.

Latest Patents

Yoshizawa's latest patents include a method for manufacturing attenuated phase-shift masks and devices obtained therefrom. This inventive aspect relates to an attenuated phase shift mask suitable for hyper NA lithographic processing of a device. The method emphasizes the importance of the numerical aperture of the lithographic system on which the mask is to be used. Another notable patent involves an authentication method, authentication system, semiconductor circuit, and authentication module. This method aims to prevent easy copying of modules used for personal authentication, thereby increasing the reliability of personal authentication processes.

Career Highlights

Throughout his career, Masaki Yoshizawa has worked with renowned companies such as Sony Corporation and Imec. His experience in these organizations has allowed him to develop cutting-edge technologies that have had a lasting impact on the semiconductor industry.

Collaborations

Yoshizawa has collaborated with notable professionals in the field, including Shigeru Moriya and Leonardus Leunissen. These collaborations have further enriched his work and contributed to the advancement of semiconductor technologies.

Conclusion

Masaki Yoshizawa's innovative contributions to semiconductor technology and his extensive patent portfolio highlight his role as a leading inventor in the industry. His work continues to influence advancements in personal authentication and lithographic processing.

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]