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For the Inventor, By the Inventor

Musashino, Japan

Sadaharu Oka

This inventor holds 16 USPTO granted patents and 1 published patent application. Top assignee: Yokogawa Electric Corporation. Active years: 1992-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sadaharu Oka. Retrieved from https://idiyas.com/inventor/sadaharu-oka

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

USPTO Granted Patents = 16 

% Patents Active = 12.5

Average Co-Inventor Count = 8.4

ph-index = 2

Forward Citations = 21(Granted Patents)


Location History:

  • Tokyo, JP (1992 - 2010)
  • Musashino, JP (2005 - 2010)

Company Filing History:

goldMedal16 out of 1,413 
 
Yokogawa Electric Corporation
 patents

Years Active: 1992-2010

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16 patents (USPTO):Explore Patents
1. 7787777 - Optical packet network system (2010-08-31),
2. 7746549 - Optical communication apparatus (2010-06-29),
3. 7732807 - Integrated circuit (2010-06-08),
4. 7667544 - Clock reproducing apparatus (2010-02-23),
5. 7620284 - Optical waveform shaping device including portions for respectively absorbing and amplifying transmitted optical signal (2009-11-17),
6. 7362929 - Optical switch (2008-04-22),
7. 7317848 - Optical switch (2008-01-08),
8. 7307432 - Electron beam generating apparatus and optical sampling apparatus using the same (2007-12-11),
9. 7176437 - Photoelectric conversion apparatus and photoelectric conversion system using the same (2007-02-13),
10. 7116856 - Optical switch matrix (2006-10-03),
11. 7113665 - Optical router (2006-09-26),
12. 7035490 - Active diffraction grating (2006-04-25),
13. 6930623 - Optical signal processing system (2005-08-16),
14. 6891986 - Optical switch (2005-05-10),
15. 6552325 - Photo diode array (2003-04-22),

Title: Sadaharu Oka: Pioneering Inventor from Musashino

Introduction: Sadaharu Oka is a renowned inventor hailing from Musashino, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Oka's latest patents focus on advancements in robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of technological development.

Career Highlights: Throughout his illustrious career, Sadaharu Oka has been instrumental in developing cutting-edge solutions for various industries, revolutionizing the way we interact with technology on a daily basis.

Collaborations: Oka has collaborated with leading research institutions and tech companies worldwide, fostering a culture of innovation and knowledge-sharing that has led to significant advancements in the field.

Conclusion: Sadaharu Oka's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape 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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