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For the Inventor, By the Inventor

Matsumoto, Japan

Koji Ohashi

This inventor holds 65 USPTO granted patents and 5 published patent applications and 9 EPO patents, primarily in Ultrasonic Devices (CPC class H01L). Top assignee: Seiko Epson Corporation. Active years: 2006-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Ohashi. Retrieved from https://idiyas.com/inventor/koji-ohashi

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

USPTO Granted Patents = 65 

% Patents Active = 80.0

 

Average Co-Inventor Count = 2.4

ph-index = 6

Forward Citations = 99(Granted Patents)

Forward Citations (Not Self Cited) = 91(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Suwa, JP (2009)
  • Chino, JP (2006 - 2012)
  • Nagano, JP (2007 - 2015)
  • Shiojiri, JP (2017 - 2018)
  • Matsumoto, JP (2013 - 2024)

Company Filing History:

goldMedal65 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 2006-2026

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Areas of Expertise:
Ultrasonic Device
Piezoelectric Element
Ultrasonic Probe
Liquid Ejection
Ultrasonic Sensor
Electronic Apparatus
Droplet Ejecting
Actuator
Vibration Device
MEMs Device
Manufacturing Method
Mounting Structure
65 patents (USPTO):Explore Patents
1. 12757637 - Piezoelectric element (2026-10-06),
2. 12709094 - LIQUID EJECTING APPARATUS (2026-08-18),
3. 12661890 - Droplet ejection head and printer (2026-06-23),
4. 12433167 - Piezoelectric element, droplet dispensing head, actuator, and vibrator (2025-09-30),
5. 12311664 - Piezoelectric element, head chip, liquid ejection device, and sensor (2025-05-27),
6. 12239025 - Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, and electronic apparatus (2025-02-25),
7. 12156475 - Piezoelectric device having plurality of vibrating regions and electronic apparatus (2024-11-26),
8. 11998390 - Piezoelectric actuator, ultrasound element, ultrasound probe, ultrasound device, and electronic device (2024-06-04),
9. 11917922 - Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, and electronic apparatus (2024-02-27),
10. 11872592 - Ultrasonic device and ultrasonic apparatus (2024-01-16),
11. 11858000 - Ultrasonic device and ultrasonic sensor (2024-01-02),
12. 11800809 - Piezoelectric element, piezoelectric actuator, ultrasonic probe, ultrasonic apparatus, electronic apparatus, liquid jet head, and liquid jet apparatus (2023-10-24),
13. 11690594 - Piezoelectric actuator, ultrasonic element, ultrasonic probe, ultrasonic device, and electronic device (2023-07-04),
14. 11594671 - Ultrasonic device and ultrasonic sensor (2023-02-28),
15. 11594670 - MEMs device and electronic device (2023-02-28),

Title: Inventor Koji Ohashi

Introduction: Koji Ohashi is a renowned inventor based in Matsumoto, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Koji Ohashi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative mindset and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Koji Ohashi has worked with leading research institutions and tech companies to develop cutting-edge solutions that have revolutionized industries worldwide.

Collaborations: Throughout his career, Koji Ohashi has collaborated with top engineers, scientists, and designers, fostering a culture of creativity and excellence in all his projects.

Conclusion: In conclusion, Koji Ohashi's passion for innovation and his relentless pursuit of technological advancement 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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