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Toshiba Techno Center Inc.

USPTO Granted Patents = 21

% Expired Patents = 47.6

Forward Citations = 90

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23 inventors (with patents filed for the assignee):

Chao-Kun Lin (7 out of 28 patents)

Steven D Lester (6 out of 60 patents)

Chih-Wei Chuang (3 out of 14 patents)

4. Heng Liu (2 out of 40 patents)

5. Zhen Chen (2 out of 8 patents)

6. Jeff Ramer (2 out of 7 patents)

7. Jun Wu (2 out of 3 patents)

8. Ling Zhang (2 out of 4 patents)

9. Vahid S Moshtagh (2 out of 12 patents)

10. Long Yang (1 out of 41 patents)

11. Syn-Yem Hu (1 out of 15 patents)

12. Jeffrey C Ramer (1 out of 5 patents)

13. Yi Fu (1 out of 4 patents)

14. Steve Ting (1 out of 5 patents)

15. Li Yan (1 out of 4 patents)

21 patents: Sort by Forward Citations

1. 8759127 - Gold micromask for roughening to promote light extraction in an LED (2014-06-24),

2. 8729580 - Light emitter with metal-oxide coating (2014-05-20),

3. 8698163 - P-type doping layers for use with light emitting devices (2014-04-15),

4. 8691606 - Method for manufacturing a light emitting diode with smooth surface for reflective electrode (2014-04-08),

5. 8686430 - Buffer layer for GaN-on-Si LED (2014-04-01),

6. 8684749 - LED with improved injection efficiency (2014-04-01),

7. 8669585 - LED that has bounding silicon-doped regions on either side of a strain release layer (2014-03-11),

8. 8668775 - Machine CVD shower head (2014-03-11),

9. 8664747 - Trenched substrate for crystal growth and wafer bonding (2014-03-04),

10. 8664679 - Light emitting devices having light coupling layers with recessed electrodes (2014-03-04),

11. 8637891 - Light-emitting device with improved electrode structures (2014-01-28),

12. 8624482 - Distributed bragg reflector for reflecting light of multiple wavelengths from an LED (2014-01-07),

13. 8581267 - Series connected segmented LED (2013-11-12),

14. 8564010 - Distributed current blocking structures for light emitting diodes (2013-10-22),

15. 8558247 - GaN LEDs with improved area and method for making the same (2013-10-15),

Company Overview

Toshiba Techno Center Inc., based in Tokyo, specializes in advanced technology development and engineering solutions. The company focuses on a diverse range of sectors, including information technology, energy systems, and social infrastructure. With a commitment to innovation, Toshiba Techno Center plays a pivotal role in enhancing the performance and efficiency of various technologies, contributing to sustainable development and smart solutions across industries. Its research initiatives aim to address contemporary challenges and drive future advancements.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

21 Patents

#1,311 in Tokyo

#2,866 in Japan

#30,001 in the World

Toshiba Techno Center Inc.

Forward Citations = 90

23 inventors:

Chao-Kun Lin (7 out of 28 patents)

Steven D Lester (6 out of 60 patents)

Chih-Wei Chuang (3 out of 14 patents)

4. Heng Liu (2 out of 40 patents)

5. Zhen Chen (2 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toshiba Techno Center Inc.. Retrieved from https://idiyas.com/company/toshiba-techno-center

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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