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For the Inventor, By the Inventor

Tokyo, Japan

Kazuyoshi Yoshida

This inventor holds 22 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Semiconductor Manufacturing. Top assignees: Nec Corporation, Kabushiki Kaisha Toshiba, Oki Data Corporation. Active years: 1988-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyoshi Yoshida. Retrieved from https://idiyas.com/inventor/kazuyoshi-yoshida-kso7oim2

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

Calculating rank
USPTO Granted Patents = 22 

% Patents Active = 90.9


Average Co-Inventor Count = 2.1

ph-index = 8

Forward Citations = 205(Granted Patents)


Location History:

  • Saitama-ken, JP (1999 - 2001)
  • Tokyo, JP (1988 - 2010)

Company Filing History:

goldMedal7 out of 36,735 
 
Nec Corporation
 patents
silverMedal5 out of 53,286 
 
Kabushiki Kaisha Toshiba
 patents
bronzeMedal4 out of 1,875 
 
Oki Data Corporation
 patents
4. 3 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents
5. 2 out of 1,458 
 
Elpida Memory, Inc.
 patents
6. 1 out of 42,743 
 
Hitachi, Ltd.
 patents
7. 1 out of 177 
 
The Tokyo Electric Power Company, Incorporated
 patents
where one patent can have more than one assignee

Years Active: 1988-2010

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Areas of Expertise:
Semiconductor Device
Plasma Processing
Etching Process
Electrophotographic
Color Printer
Via Plug
Dry Etching
Thermal Transfer
Microcomputer
Image Registration
Data Storage
Transformer Protection
22 patents (USPTO):Explore Patents
1. 7842608 - Method for manufacturing semiconductor device having via plug (2010-11-30),
2. 7537990 - Method of manufacturing semiconductor devices (2009-05-26),
3. 6531349 - Method of etching polycrystalline silicon film by using two consecutive dry-etching processes (2003-03-11),
4. 6408156 - Image recording apparatus in which a plurality of images of different colors are printed in registration (2002-06-18),
5. 6308056 - Double super tuner (2001-10-23),
6. 6265316 - Etching method (2001-07-24),
7. 6103631 - Method of manufacturing semiconductor device (2000-08-15),
8. 5943533 - Method and apparatus for forming an electrostatic latent image with (1999-08-24),
9. 5918168 - Double super tuner (1999-06-29),
10. 5792710 - Method for selectively etching polycide layer (1998-08-11),
11. 5765076 - Method and apparatus for forming an electrostatic latent image with (1998-06-09),
12. 5740493 - Electrophotographic recording apparatus having reverse-charged toner (1998-04-14),
13. 5735993 - Plasma processing apparatus for dry etching of semiconductor wafers (1998-04-07),
14. 5719680 - Color printer and printing method with improved color registration (1998-02-17),
15. 5690781 - Plasma processing apparatus for manufacture of semiconductor devices (1997-11-25),

Title: Kazuyoshi Yoshida: Innovator in Semiconductor Manufacturing

Introduction

Kazuyoshi Yoshida, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of semiconductor manufacturing. With a remarkable portfolio of 22 patents, his innovative approaches have set industry standards and driven technological advancements.

Latest Patents

Yoshida's recent patents include groundbreaking methods for manufacturing semiconductor devices. One notable patent details a method for manufacturing a semiconductor device having a via plug. This procedure involves various intricate steps, such as forming conductive layers and insulating films, etching, and ultimately creating conductive plugs that enhance device performance. Another patent presents a method of manufacturing semiconductor devices that emphasizes the formation of trenches and holes through etching techniques, allowing for more efficient production processes.

Career Highlights

Throughout his career, Kazuyoshi Yoshida has been affiliated with esteemed companies such as NEC Corporation and Kabushiki Kaisha Toshiba. His work at these organizations has paved the way for advancements in semiconductor technology, greatly impacting the sector's evolution.

Collaborations

In his journey, Yoshida has collaborated with talented coworkers like Syuichiro Ogata and Hiroyuki Inoue. These partnerships have fostered innovation and creativity, enabling significant advancements in semiconductor manufacturing techniques.

Conclusion

Kazuyoshi Yoshida's expertise and innovative spirit have positioned him as a key figure in the semiconductor industry. With a noteworthy number of patents and impactful collaborations, he continues to influence the future of technology through his pioneering work.

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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