Hachioji, Japan

Katsuya Oda

This inventor holds 22 USPTO granted patents and 1 published patent application, primarily in Semiconductor Devices. Top assignees: Hitachi, Ltd., Renesas Technology Corp., Hitachi Device Engineering Co., Ltd.. Active years: 1999-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuya Oda. Retrieved from https://idiyas.com/inventor/katsuya-oda

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

USPTO Granted Patents = 22 

% Patents Active = 31.8

Average Co-Inventor Count = 3.1

ph-index = 9

Forward Citations = 344(Granted Patents)


Location History:

  • Hachioji, JP (1999 - 2014)
  • Tokyo, JP (2015 - 2016)

Company Filing History:


Years Active: 1999-2016

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Areas of Expertise:
Semiconductor Optical Element
Light Emitting Device
Optical Transceiver
Photodiode Device
Heterojunction Bipolar Transistor
Field Effect Transistor
Bipolar Transistor
Manufacturing Method
Semiconductor Circuit Module
Base Resistance
Multi-layered Device
Single Crystal
22 patents (USPTO):Explore Patents

Title: Katsuya Oda: Innovator in Semiconductor Technology

Introduction: Katsuya Oda is an accomplished inventor based in Hachioji, Japan. With a total of 22 patents to his name, Oda has made significant contributions to the field of semiconductor optical elements, focusing on improving luminous efficiency and reducing power consumption in electronic devices.

Latest Patents: Among his notable patents, a recent innovation involves a semiconductor optical element designed to enhance reliability and performance. This invention features a germanium protective layer positioned between a germanium light-emitting layer or light absorption layer and a cladding layer, effectively minimizing the risks of dislocations or crystal defects. Another of Oda's latest patents introduces a light-emitting device that includes a unique active layer on a semiconductor substrate, enhancing light emission while being compatible with silicon CMOS processes. This device also incorporates feedback mechanisms for laser oscillation and a waveguide to optimize light guidance.

Career Highlights: Oda has held important positions in major technology firms, including Hitachi, Ltd. and Renesas Technology Corporation. His work has been pivotal in advancing semiconductor technologies, particularly those related to optical elements and light-emitting devices.

Collaborations: Throughout his career, Oda has collaborated with esteemed colleagues, including Katsuyoshi Washio and Masao Kondo. These partnerships have fostered innovation and contributed to the successful development of his patented technologies.

Conclusion: Katsuya Oda's contributions to semiconductor technology are invaluable, evident in his numerous patents and collaborations. His ongoing dedication to innovation will likely continue to influence the industry and inspire future advancements in semiconductor design and applications.

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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