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For the Inventor, By the Inventor

Osaka, Japan

Takayuki Yamada

This inventor holds 54 USPTO granted patents and 2 published patent applications, primarily in Semiconductor Devices (CPC class H01L). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Sharp Kabushiki Kaisha Corporation. Active years: 1992-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayuki Yamada. Retrieved from https://idiyas.com/inventor/takayuki-yamada-cpb1b1sr

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

Calculating rank
USPTO Granted Patents = 54 

% Patents Active = 79.6

Average Co-Inventor Count = 3.0

ph-index = 11

Forward Citations = 437(Granted Patents)

Forward Citations (Not Self Cited) = 433(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yao, JP (2005)
  • Osaka, JP (1992 - 2019)
  • Sakai, JP (2020)
  • Toyama, JP (2009 - 2022)

Company Filing History:

goldMedal26 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal15 out of 16,454 
 
Panasonic Corporation
 patents
bronzeMedal5 out of 25,982 
 
Sharp Kabushiki Kaisha Corporation
 patents
4. 4 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
5. 2 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
6. 1 out of 655 
 
Matsushita Electronics Corporation
 patents
7. 1 out of 10 
 
Tower Partners Semiconductor Co., Ltd.
 patents

Years Active: 1992-2022

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Areas of Expertise:
Semiconductor Device
Liquid Crystal Display
Solar Cell Module
Interconnection Sheet
Back Electrode
High Dielectric Material
Layout Design
Optical Evaluation
Fabrication Method
Gate Insulating Film
Dual-Pitch Parallax Barrier
Driving Method
54 patents (USPTO):Explore Patents
1. 11217604 - Semiconductor device (2022-01-04),
2. 10725319 - Display device and liquid crystal panel driving method (2020-07-28),
3. 10649296 - Liquid crystal display device (2020-05-12),
4. 10390008 - Dual-pitch parallax barrier (2019-08-20),
5. 9887138 - Semiconductor device (2018-02-06),
6. 9224880 - Method for manufacturing solar cell with interconnection sheet, method for manufacturing solar cell module, solar cell with interconnection sheet, and solar cell module (2015-12-29),
7. 9035173 - Back electrode type solar cell, back electrode type solar cell with interconnection sheet, solar cell module, method of manufacturing back electrode type solar cell with interconnection sheet, and method of manufacturing solar cell module (2015-05-19),
8. 8969970 - Semiconductor device (2015-03-03),
9. 8884373 - Semiconductor device (2014-11-11),
10. 8869079 - Semiconductor device and layout design method for the same (2014-10-21),
11. 8558321 - Semiconductor device having gate insulating film including high dielectric material (2013-10-15),
12. 8476680 - Semiconductor device and method for manufacturing the same (2013-07-02),
13. 8395219 - Semiconductor device and fabrication method for the same (2013-03-12),
14. 8392856 - Semiconductor device and layout design method for the same (2013-03-05),
15. 8178929 - Semiconductor device and method for fabricating the same (2012-05-15),

Title: Innovations and Contributions of Takayuki Yamada in Semiconductor Technology

Introduction: Takayuki Yamada is a prominent inventor based in Osaka, Japan, known for his significant contributions to the field of semiconductor technology. With an impressive portfolio of 54 patents, Yamada has established himself as a leading figure in developing advanced electronic devices.

Latest Patents: Yamada's recent patents reflect his focus on enhancing semiconductor devices and display technologies. One notable invention is a semiconductor device featuring an active region that includes a body region where first and second transistors are formed. This design incorporates a connection portion linked to the potential of the body region and lead portions that ensure isolation between channel regions. The innovative layout of source and drain regions further enhances the device's performance.

Another significant patent pertains to a display device and a liquid crystal panel driving method designed for high-quality three-dimensional display. This technology allows for dynamic light-blocking and light-transmitting states during three-dimensional displaying, effectively enhancing the viewing experience by adjusting the light states of predetermined and adjacent regions of the liquid crystal panel.

Career Highlights: Yamada's career has been marked by his tenure at reputable companies, including Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His work in these organizations has allowed him to hone his skills and actively contribute to pioneering innovations in semiconductor manufacturing and display technologies.

Collaborations: Throughout his career, Yamada has collaborated with esteemed professionals in the field, including fellow inventors Masaru Moriwaki and Takashi Nakabayashi. Their joint efforts have led to advancements that push the boundaries of existing technologies, fostering a culture of innovation and excellence.

Conclusion: Takayuki Yamada’s journey as an inventor showcases remarkable advancements in semiconductor devices and display technologies. His extensive portfolio of patents underscores his commitment to innovation, making him a key contributor in shaping the future of electronic devices.

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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