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For the Inventor, By the Inventor

Matsumoto, Japan

Koji Ohashi

USPTO Granted Patents = 62 

 

Average Co-Inventor Count = 2.4

ph-index = 6

Forward Citations = 97(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:

goldMedal62 out of 33,442 
 
Seiko Epson Corporation
 patents

Years Active: 2006-2025

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Areas of Expertise:
Piezoelectric Element
Ultrasonic Device
Liquid Ejection Head
Ultrasonic Sensor
Droplet Ejecting Apparatus
Vibration Device
MEMs Device
Ultrasonic Probe
Electronic Apparatus
Manufacturing Method
Ultrasonic Transducer
Droplet Dispensing Head
62 patents (USPTO):Explore Patents
1. 12433167 - Piezoelectric element, droplet dispensing head, actuator, and vibrator (2025-09-30),
2. 12311664 - Piezoelectric element, head chip, liquid ejection device, and sensor (2025-05-27),
3. 12239025 - Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, and electronic apparatus (2025-02-25),
4. 12156475 - Piezoelectric device having plurality of vibrating regions and electronic apparatus (2024-11-26),
5. 11998390 - Piezoelectric actuator, ultrasound element, ultrasound probe, ultrasound device, and electronic device (2024-06-04),
6. 11917922 - Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, and electronic apparatus (2024-02-27),
7. 11872592 - Ultrasonic device and ultrasonic apparatus (2024-01-16),
8. 11858000 - Ultrasonic device and ultrasonic sensor (2024-01-02),
9. 11800809 - Piezoelectric element, piezoelectric actuator, ultrasonic probe, ultrasonic apparatus, electronic apparatus, liquid jet head, and liquid jet apparatus (2023-10-24),
10. 11690594 - Piezoelectric actuator, ultrasonic element, ultrasonic probe, ultrasonic device, and electronic device (2023-07-04),
11. 11594671 - Ultrasonic device and ultrasonic sensor (2023-02-28),
12. 11594670 - MEMs device and electronic device (2023-02-28),
13. 11581478 - Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, and electronic apparatus (2023-02-14),
14. 11532780 - Ultrasonic sensor and electronic device (2022-12-20),
15. 11529649 - Piezoelectric film, piezoelectric module, and method of manufacturing piezoelectric film (2022-12-20),

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.

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