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For the Inventor, By the Inventor

Hitachi, Japan

Tatsuo Hayashi

This inventor holds 10 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1981-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuo Hayashi. Retrieved from https://idiyas.com/inventor/tatsuo-hayashi-x5mfpfwr

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 7.7

ph-index = 7

Forward Citations = 86(Granted Patents)


Company Filing History:

goldMedal10 out of 42,752 
 
Hitachi, Ltd.
 patents

Years Active: 1981-2007

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10 patents (USPTO):Explore Patents
1. 7215729 - Fuel assembly and nuclear reactor (2007-05-08),
2. 6278757 - Fuel assembly and nuclear reactor (2001-08-21),
3. 5317606 - Automation system for nuclear power plants (1994-05-31),
4. 5253278 - Fuel assembly, channel box, production method of channel box, and core (1993-10-12),
5. 5176877 - Nuclear fuel assembly and nuclear reactor core containing said assembly (1993-01-05),
6. 5128098 - Fuel assembly (1992-07-07),
7. 5099127 - Portable intensitometer and apparatus for centralized control of (1992-03-24),
8. 5023047 - Nuclear reactor having an ascending cooling path much greater than the (1991-06-11),
9. 4451428 - Control rods and method of producing same (1984-05-29),
10. 4290907 - Process for treating radioactive waste (1981-09-22),

Title: The Innovations of Tatsuo Hayashi: Revolutionizing Nuclear Reactors

Introduction: Tatsuo Hayashi, a prolific inventor hailing from Hitachi, Japan, has left an indelible mark in the field of nuclear technology with his impressive portfolio of 10 patents.

Latest Patents: Hayashi's latest patents focus on fuel assembly and nuclear reactor design. One notable innovation includes a unique coolant system that optimizes the flow of coolant within the reactor, enhancing efficiency and safety.

Career Highlights: With a keen eye for detail and a passion for technological advancement, Tatsuo Hayashi has propelled Hitachi, Ltd. to the forefront of nuclear innovation. His contributions have not only improved reactor performance but also set new standards in the industry.

Collaborations: Hayashi's success is further underscored by his collaborations with esteemed colleagues such as Osamu Yokomizo and Akihito Orii. Together, they have synergized their expertise to drive groundbreaking research and development initiatives.

Conclusion: Tatsuo Hayashi stands as a true visionary in the realm of nuclear technology, blending creativity with scientific rigor to shape the future of energy production. His dedication to innovation cements his legacy as a pioneer in the field, inspiring generations 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]
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