Tokyo, Japan

Isao Tomita

This inventor holds 51 USPTO granted patents and 12 published patent applications and 32 EPO patents, primarily in Optical Communication. Top assignees: Mitsubishi Heavy Industries Limited, Nec Corporation, Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Tomita. Retrieved from https://idiyas.com/inventor/isao-tomita

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

USPTO Granted Patents = 51 

% Patents Active = 58.8

 

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 109(Granted Patents)

Forward Citations (Not Self Cited) = 100(Dec 10, 2025)


Location History:

  • Minato-ku, Tokyo, JP (2009)
  • Nagasaki, JP (2012)
  • Tokyo, JP (2009 - 2024)

Company Filing History:


Years Active: 2009-2026

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Areas of Expertise:
Optical Module
Centrifugal Compressor
Turbocharger
Optical Transceiver
Pluggable Module
Optical Communication
Impeller
Asymmetric Turbomachinery
Variable Geometry Turbocharger
Fluid Machine
Scroll Casing
Light Source Module
51 patents (USPTO):Explore Patents

Title: The Innovative Journey of Isao Tomita

Introduction: Isao Tomita, a prominent inventor based in Tokyo, Japan, has made significant contributions to the fields of engineering and technology. With a remarkable portfolio of 48 patents, Tomita has continuously pushed the boundaries of innovation, particularly in the areas of centrifugal compressors, turbochargers, and optical transceiver technology.

Latest Patents: Among his latest innovations, Tomita has developed a centrifugal compressor that features a meticulous design, comprising an impeller, an inlet pipe for air intake, and a throttle mechanism designed to manage airflow effectively. The innovative throttle mechanism includes an annular portion that can adjust its position to optimize performance in relation to the impeller. In another significant advancement, he introduced a single-fiber bi-directional optical transceiver sub-assembly, which boasts improved wavelength separation characteristics while maintaining a compact size. This technology integrates a housing, optical receptacle, multiplexing/demultiplexing filter, and various photoelectric converters to enhance optical signal processing.

Career Highlights: Tomita's illustrious career includes vital roles at Mitsubishi Heavy Industries Limited and NEC Corporation, where he honed his expertise and contributed to groundbreaking projects. His work in these esteemed companies has been instrumental in advancing technology, particularly in the aerospace and telecommunications sectors.

Collaborations: Throughout his career, Tomita has had the pleasure of collaborating with notable colleagues, including Kenichiro Iwakiri and Takashi Shiraishi. These partnerships not only fostered innovation but also enriched his experience and broadened his perspectives in the engineering domain.

Conclusion: Isao Tomita's dedication to innovation has firmly established him as a significant figure in the world of technology. With 48 patents to his name, his contributions continue to impact various industries, showcasing the power of creativity and engineering excellence. His work serves as an inspiration for future inventors and engineers striving to make their mark in the ever-evolving landscape 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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