Hitachinaka, Japan

Youichi Ohshita

This inventor holds 19 USPTO granted patents, primarily in Gas Circuit Breakers. Top assignees: Hitachi, Ltd., The Tokyo Electric Power Company, Incorporated, Japan Ae Power Systems Corporation. Active years: 1983-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Youichi Ohshita. Retrieved from https://idiyas.com/inventor/youichi-ohshita

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 8

Forward Citations = 266(Granted Patents)


Location History:

  • Hitachi, JP (1983 - 1993)
  • Katsuta, JP (1992 - 1996)
  • Hitachinaka, JP (1998 - 2008)

Company Filing History:


Years Active: 1983-2008

Loading Chart...
Areas of Expertise:
Gas Circuit Breaker
Switchgear Device
Partial Discharge Detector
High Voltage Power
Transformer Station
Grounding Switch
Puffer Type Interrupter
Sputtering Apparatus
Monitoring Apparatus
Electrical Power Supply
Magnetron Sputter
Plasma Generation
19 patents (USPTO):Explore Patents

Title: The Inventor Spotlight: Youichi Ohshita

Introduction: Meet Youichi Ohshita, an innovative inventor hailing from Hitachinaka, Japan, known for his remarkable contributions in the field of technology. With an impressive portfolio of 19 patents, Ohshita has been at the forefront of pioneering inventions that have revolutionized the industry.

Latest Patents: Ohshita's latest patents showcase his keen insight and expertise in the realm of technology. One of his notable inventions includes a "Method of current interruption using puffer type gas circuit breaker with combined-action of cylinder and piston," which effectively enhances operational efficiency and safety in circuit breaker systems. Additionally, his "Partial discharge detector of gas-insulated apparatus" demonstrates his commitment to advancing detection technology for improved performance in gas-insulated equipment.

Career Highlights: Youichi Ohshita has left a lasting impact through his work with prominent companies such as Hitachi, Ltd. and The Tokyo Electric Power Company, Incorporated. His innovative spirit and dedication to technological advancement have led to the successful implementation of cutting-edge solutions in the industry.

Collaborations: Throughout his career, Ohshita has collaborated with esteemed professionals like Masanori Tsukushi and Yukio Kurosawa, fostering a collaborative environment where groundbreaking ideas flourish. These partnerships have been instrumental in bringing his inventions to life and shaping the future of technology.

Conclusion: In conclusion, Youichi Ohshita stands as a trailblazer in the world of innovation, with a proven track record of driving technological advancement through his inventive prowess. His patents and collaborative efforts reflect a deep commitment to pushing the boundaries of what is possible in the realm of technology, solidifying his legacy as a visionary inventor.

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]
Loading…