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For the Inventor, By the Inventor

Chiba, Japan

Makoto Okada

This inventor holds 6 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 2002-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Okada. Retrieved from https://idiyas.com/inventor/makoto-okada-3putc8bt

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

USPTO Granted Patents = 6

% Patents Active = 83.3

Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 53(Granted Patents)


Location History:

  • Ichikawa, JP (2003 - 2004)
  • Chiba-ken, JP (2002 - 2013)

Company Filing History:

goldMedal6 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 2002-2013

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6 patents (USPTO):Explore Patents
1. 8432948 - Semiconductor laser device (2013-04-30),
2. 7852893 - Semiconductor laser device (2010-12-14),
3. 6804276 - Semiconductor laser device which removes influences from returning light of three beams and a method of manufacturing the same (2004-10-12),
4. 6667187 - Semiconductor laser and method of manufacturing the same (2003-12-23),
5. 6628689 - Semiconductor laser device and method of fabricating the same (2003-09-30),
6. 6370177 - Semiconductor laser and method of manufacturing the same (2002-04-09),

Title: Makoto Okada: Innovator in Semiconductor Laser Technology

Introduction

Makoto Okada is a prominent inventor based in Chiba-ken, Japan. He has made significant contributions to the field of semiconductor laser technology, holding a total of six patents. His work has advanced the understanding and application of semiconductor lasers, which are crucial in various technological applications.

Latest Patents

Among his latest patents, Okada has developed a semiconductor laser device that features stacked layers and a light output layer. This innovative design includes an active layer and a dielectric layer with a non-amorphous film. The light output layer is strategically placed in contact with the light output end face of an optical cavity made from the stacked layers. Another notable patent describes a semiconductor laser device that consists of a substrate of a first conductivity type and a laminated body of a nitride semiconductor. This body includes an active layer and a cladding layer, which has a ridge-shaped waveguide. The optical resonator in this design has a length of 400 micrometers or less, enhancing its efficiency and performance.

Career Highlights

Makoto Okada is currently employed at Kabushiki Kaisha Toshiba, a leading company in the technology sector. His role at Toshiba allows him to further his research and development in semiconductor technologies, contributing to the company's innovative projects.

Collaborations

Okada has collaborated with notable coworkers, including Koichi Genei and Koichi Gen-ei. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in semiconductor technology.

Conclusion

Makoto Okada's contributions to semiconductor laser technology exemplify his innovative spirit and dedication to advancing the field. His patents reflect a deep understanding of the complexities involved in semiconductor design and functionality. Through his work at Toshiba and collaborations with esteemed colleagues, Okada continues to influence the future of technology.

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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