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Japan Display West Inc.

USPTO Granted Patents = 191

% Expired Patents = 26.7

EPO Patents = 8

Forward Citations = 782

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194 inventors (with patents filed for the assignee):

Tsutomu Harada (17 out of 164 patents)

Yoshiharu Nakajima (17 out of 102 patents)

Takayuki Nakanishi (15 out of 167 patents)

4. Takeo Koito (14 out of 171 patents)

5. Koji Noguchi (14 out of 206 patents)

6. Yoshitoshi Kida (13 out of 155 patents)

7. Hiroshi Mizuhashi (12 out of 241 patents)

8. Daisuke Takama (12 out of 43 patents)

9. Kazunori Yamaguchi (11 out of 44 patents)

10. Yasuyuki Teranishi (10 out of 125 patents)

11. Tsutomu Tanaka (10 out of 95 patents)

12. Ryoichi Tsuzaki (10 out of 29 patents)

13. Mitsuru Tateuchi (10 out of 29 patents)

14. Koji Ishizaki (8 out of 265 patents)

15. Masaaki Kabe (8 out of 85 patents)

Core Competencies:

Liquid Crystal Display

Display Device

Touch Panel

Electrooptic Device

Image Display

Pixel Structure

Capacitive Input

Manufacturing Method

Display Apparatus

Detection Device

Stereoscopic Display

Electrostatic Capacitance

191 patents: Sort by Forward Citations

1. 9019258 - Display device, display drive method and electronic apparatus (2015-04-28),

2. 9013667 - Liquid crystal display device with larger cell gap formed outside display area (2015-04-21),

3. 8997211 - Display apparatus, authentication method, and program (2015-03-31),

4. 8994759 - Display (2015-03-31),

5. 8994668 - Electrooptic device having input function (2015-03-31),

6. 8988641 - Liquid crystal display device and method for manufacturing liquid crystal display device (2015-03-24),

7. 8982306 - Display device and electronic apparatus (2015-03-17),

8. 8976123 - Display device and electronic unit (2015-03-10),

9. 8976103 - Display apparatus, driving method for display apparatus and electronic apparatus (2015-03-10),

10. 8970505 - Touch panel display device performing parallel touch scan of different display regions (2015-03-03),

11. 8970461 - Display and lighting device (2015-03-03),

12. 8963880 - Detection device, detection method, program and display apparatus (2015-02-24),

13. 8953134 - Liquid crystal display panel (2015-02-10),

14. 8953109 - Image display apparatus and variable lens array (2015-02-10),

15. 8952923 - Touch detection function-attached display apparatus, driving method and driving circuit therefor with switchable AC and DC driving, and electronic apparatus (2015-02-10),

Company Overview

Japan Display West Inc., located in Aichi, Japan, specializes in advanced display technology, focusing on the development and manufacturing of liquid crystal displays (LCDs) and associated devices. The company is engaged in innovative research across various core technology topics, including touch panels, electrooptic devices, and pixel structures. With a commitment to enhancing image display quality and capacitive input methods, Japan Display West Inc. plays a significant role in the evolution of display solutions for diverse applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

191 Patents

#12 in Aichi

#732 in Japan

#4,410 in the World

Japan Display West Inc.

Forward Citations = 782

194 inventors:

Tsutomu Harada (17 out of 164 patents)

Yoshiharu Nakajima (17 out of 102 patents)

Takayuki Nakanishi (15 out of 167 patents)

4. Takeo Koito (14 out of 171 patents)

5. Koji Noguchi (14 out of 206 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Japan Display West Inc.. Retrieved from https://idiyas.com/company/japan-display-west

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

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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