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For the Inventor, By the Inventor

Mito, Japan

Masahisa Sobue

This inventor holds 12 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Koki Co., Ltd.. Active years: 1989-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahisa Sobue. Retrieved from https://idiyas.com/inventor/masahisa-sobue

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

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 6

Forward Citations = 115(Granted Patents)


Company Filing History:

goldMedal12 out of 42,743 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 1,267 
 
Hitachi Koki Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1989-1995

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12 patents (USPTO):Explore Patents
1. 5403674 - Conductive material and process for preparing the same (1995-04-04),
2. 5378417 - Process for producing ceramic compositions (1995-01-03),
3. 5316987 - Ceramic composite and process for production thereof (1994-05-31),
4. 5271871 - Conductive material and process for preparing the same (1993-12-21),
5. 5266860 - Commutator (1993-11-30),
6. 5252273 - Slip casting method (1993-10-12),
7. 5208502 - Sliding current collector made of ceramics (1993-05-04),
8. 5200373 - High strength composite ceramic structure and process for producing the (1993-04-06),
9. 5138221 - Inorganically insulated heater, and cathode ray tube and air flow sensor (1992-08-11),
10. 5085806 - Conductive material and process for preparing the same (1992-02-04),
11. 4941251 - Rollers for rolling mills (1990-07-17),
12. 4839949 - Rollers for rolling mills (1989-06-20),

Title: The Innovative Journey of Masahisa Sobue

Introduction: Masahisa Sobue is a pioneering inventor hailing from Mito, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Masahisa Sobue holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous innovation and forward-thinking approach.

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

Collaborations: Throughout his career, Masahisa Sobue has collaborated with top engineers, scientists, and inventors, fostering a culture of innovation and knowledge-sharing that has led to remarkable advancements in technology.

Conclusion: Masahisa Sobue's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his reputation as a visionary inventor in the global tech community.

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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