Toshiyuki Okumura

This inventor holds 31 USPTO granted patents, primarily in Nitride Semiconductor Devices. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1991-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Okumura. Retrieved from https://idiyas.com/inventor/toshiyuki-okumura

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

Calculating rank

USPTO Granted Patents = 31

% Patents Active = 80.6

Average Co-Inventor Count = 2.0

ph-index = 10

Forward Citations = 318(Granted Patents)

Location History:

Nara, JP (2003 - 2009)
Tenri, JP (1991 - 2011)
Osaka, JP (2015)

Company Filing History:

31 out of 26,000

Sharp Kabushiki Kaisha Corporation

patents

Years Active: 1991-2015

Loading Chart...

Areas of Expertise:

Nitride Semiconductor

Light-Emitting Element

Optical Amplifier

Semiconductor Laser

Photonic Crystal

Gallium Nitride

Multi-Quantum-Well

Resonator

Optical Device

Dielectric Reflector

Coupling Circuit

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9099586 - Nitride semiconductor light-emitting element and method for producing nitride semiconductor light-emitting element (2015-08-04),

2. 7864412 - Semiconductor optical amplifier device amplifying external light signal and driving apparatus therefor (2011-01-04),

3. 7515624 - Semiconductor laser, semiconductor laser driver and method of driving semiconductor laser reducing feedback-induced noise by modulated optical output (2009-04-07),

4. 7356218 - Variable demultiplexer (2008-04-08),

5. 7274010 - Semiconductor optical amplifier device amplifying an externally applied light signal, semiconductor optical amplification driving device and semiconductor light receiving apparatus (2007-09-25),

6. 7251390 - Planar waveguide device (2007-07-31),

7. 7199398 - Nitride semiconductor light emitting device having electrode electrically separated into at least two regions (2007-04-03),

8. 7183569 - Gallium nitride semiconductor light emitting device having multi-quantum-well structure active layer, and semiconductor laser light source device (2007-02-27),

9. 7088902 - Photonic crystal and producing method thereof (2006-08-08),

10. 7015565 - Gallium nitride type semiconductor laser device (2006-03-21),

11. 6956882 - Gallium nitride semiconductor light emitting device having multi-quantum-well structure active layer, and semiconductor laser light source device (2005-10-18),

12. 6842470 - Nitride-type compound semiconductor laser device and laser apparatus incorporating the same (2005-01-11),

13. 6764870 - Method for manufacturing a gallium nitride type semiconductor laser device (2004-07-20),

14. 6614824 - Nitride semiconductor laser device and optical device using the same (2003-09-02),

15. 6556603 - Nitride-contained semiconductor laser element and optical information reproducing device (2003-04-29),

Title: Toshiyuki Okumura: Pioneering Inventor from Tenri, Japan

Introduction: Toshiyuki Okumura is a renowned inventor hailing from Tenri, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Toshiyuki Okumura holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the industry, Toshiyuki Okumura has worked with leading tech companies and research institutions, spearheading projects that have revolutionized various sectors.

Collaborations: Throughout his career, Toshiyuki Okumura has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his endeavors.

Conclusion: Toshiyuki Okumura's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and creators worldwide.

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]