Shigeharu Ootsuka

This inventor holds 17 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Electric Engineering Company, Limited. Active years: 1986-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeharu Ootsuka. Retrieved from https://idiyas.com/inventor/shigeharu-ootsuka

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 9

Forward Citations = 140(Granted Patents)

Location History:

Kagamihara, JP (1986 - 1987)
Kakamigahara, JP (1987)
Gifu, JP (1989)
Nagoya, JP (1991 - 1993)
Aichi, JP (1989 - 1996)

Company Filing History:

17 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

1 out of 177

Mitsubishi Electric Engineering Company, Limited

patents

where one patent can have more than one assignee

Years Active: 1986-1996

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5535083 - Magnetic coil assembly with surge absorber (1996-07-09),

2. 5517167 - Magnetic coil, magnetic contactor using magnetic coil, and magnetic coil (1996-05-14),

3. 5264985 - Apparatus for increasing effective insulation between terminal plates (1993-11-23),

4. 5103199 - Electromagnetic contactor (1992-04-07),

5. 5075660 - Electromagnetic contractor and fabrication method therefor (1991-12-24),

6. 5059930 - Electromagnetic contactor and fabrication method therefor (1991-10-22),

7. 5055811 - Electromagnetic apparatus (1991-10-08),

8. 5014027 - Electromagnetic contactor (1991-05-07),

9. 4969844 - Electromagnetic contector (1990-11-13),

10. 4947290 - Rail mounting device for an electrical equipment (1990-08-07),

11. 4940958 - Polarized electromagnetic apparatus (1990-07-10),

12. 4845455 - Thermally-sensible overcurrent protective relay including heater holder (1989-07-04),

13. 4808961 - Thermally-sensible overcurrent protective relay including contact toggle (1989-02-28),

14. 4698726 - Structure for attaching a switchgear to a rail (1987-10-06),

15. 4671697 - Apparatus for mounting electrical appliance on frame (1987-06-09),

Title: The Innovative Mind of Shigeharu Ootsuka

Introduction: Shigeharu Ootsuka is a renowned inventor hailing from Nagoya, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Shigeharu Ootsuka holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Ootsuka has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved efficiency in various sectors.

Collaborations: Throughout his career, Shigeharu Ootsuka has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing.

Conclusion: Shigeharu Ootsuka's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the landscape of technology for years to come.

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]