Isahaya, Japan

Kenji Ohgiyama

This inventor holds 9 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsumi Electric Company Ltd.. Active years: 2000-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Ohgiyama. Retrieved from https://idiyas.com/inventor/kenji-ohgiyama

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


% Patents Active = 88.9

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 216(Granted Patents)


Location History:

  • Isahaya, JP (2000 - 2004)
  • Nagasaki, JP (2005)

Company Filing History:


Years Active: 2000-2005

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9 patents (USPTO):Explore Patents

Title: Kenji Ohgiyama: Innovator in Semiconductor Laser Technology

Introduction

Kenji Ohgiyama, an accomplished inventor based in Isahaya, Japan, has made significant contributions to the field of semiconductor laser technologies. With a total of nine patents to his name, his innovations have driven advancements in optical pickup apparatuses, which play a critical role in various electronic devices.

Latest Patents

Ohgiyama's latest patents include a semiconductor laser device and an optical pickup apparatus utilizing this device. The semiconductor laser device features a semiconductor laser element housed within a protective wall on a metal frame. This design incorporates circumferential portions on the outer periphery of the frame, allowing the rotation of the optical axis of the emitted light to align with the frame's surface. Additionally, the optical pickup base serves as a guide for mounting the semiconductor laser device. The technical intricacies of his semiconductor laser apparatus include a base with a recess, a block that extends perpendicularly, and the strategic placement of the semiconductor laser element, which enhances its operational efficiency.

Career Highlights

Throughout his career, Kenji Ohgiyama has worked with notable companies, including Mitsubishi Electric Corporation and Mitsumi Electric Company Ltd. His tenure at these organizations has provided him with invaluable experience and insights, fostering his growth as an inventor within the semiconductor industry.

Collaborations

Ohgiyama has had the privilege of collaborating with esteemed colleagues such as Teruhisa Fujihara and Minoru Oohira. These professional partnerships have amplified his innovative efforts, allowing for enhanced research and development outcomes in semiconductor technology.

Conclusion

Kenji Ohgiyama's work exemplifies the spirit of innovation within the semiconductor field. With his nine patents and the ongoing impact of his contributions, he remains a key figure in advancing semiconductor laser technology, benefiting both the industry and technology as a whole. His continued efforts and collaborations stand as a testament to his dedication and expertise in the realm of inventions.

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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