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For the Inventor, By the Inventor

Hitachi, Japan

Nobuyuki Hayashi

This inventor holds 42 USPTO granted patents, primarily in Naphthalocyanine Derivatives. Top assignees: Hitachi Chemical Company, Ltd., Hitachi, Ltd., Nippon Oil Fats Co., Ltd.. Active years: 1976-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Hayashi. Retrieved from https://idiyas.com/inventor/nobuyuki-hayashi-o37a82yf

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

Calculating rank
USPTO Granted Patents = 42

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 12

Forward Citations = 450(Granted Patents)


Location History:

  • Hitachi, JA (1976 - 1977)
  • Hitachi, JP (1978 - 1996)
  • Hadano, JP (1999 - 2001)

Company Filing History:

goldMedal36 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents
silverMedal11 out of 42,743 
 
Hitachi, Ltd.
 patents
bronzeMedal2 out of 297 
 
Nippon Oil Fats Co., Ltd.
 patents
4. 1 out of 3 
 
Hitachi Chemical Company, Co.
 patents
5. 1 out of 228 
 
Hitachi Software Engineering Company, Ltd.
 patents
6. 1 out of 1,483 
 
Ibiden Company Limited
 patents
where one patent can have more than one assignee

Years Active: 1976-2001

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Areas of Expertise:
Naphthalocyanine Derivatives
Photosensitive Compositions
Memory Systems
Optical Recording
Photopolymerizable Composition
Printed Circuit Board
Electrical Insulating Coatings
Image Forming Resin
42 patents (USPTO):Explore Patents
1. 6292867 - Data processing system (2001-09-18),
2. 6154807 - Memory system performing fast access to a memory location by omitting (2000-11-28),
3. 5873122 - Memory system performing fast access to a memory location by omitting (1999-02-16),
4. 5856926 - Logic synthesis method and system with intermediate circuit files (1999-01-05),
5. 5484685 - Naphthalocyanine derivatives, production thereof, optical recording (1996-01-16),
6. 5378589 - Derivative of naphthalocyanine containing perfluoroalkyl group, process (1995-01-03),
7. 5284943 - Tatraazaporphin, process for producing the same, as well as optical (1994-02-08),
8. 5268485 - Naphthalocyanine derivatives, production thereof and optical recording (1993-12-07),
9. 5262277 - Photosensitive resin composition and photosensitive element using the (1993-11-16),
10. 5260435 - Derivative of naphthalocyanine containing perfluoroalkyl group, process (1993-11-09),
11. 5219706 - Naphthalocyanine derivative and production process thereof, as well as (1993-06-15),
12. 5217856 - Tetraazaporphin, process for producing the same, as well as optical (1993-06-08),
13. 5214188 - 2,3-dicyanonaphthalene derivatives (1993-05-25),
14. 5153236 - Photopolymerizable composition (1992-10-06),
15. 5110968 - Naphthalocyanine derivatives, production thereof, optical recording (1992-05-05),

Title: Nobuyuki Hayashi: A Visionary Inventor Shaping the Future of Technology

Introduction: Nobuyuki Hayashi, a prolific inventor hailing from Hitachi, Japan, has made a significant mark in the realm of technology with his innovative solutions and relentless pursuit of excellence.

Latest Patents: Hayashi's latest patents showcase his expertise in developing cutting-edge solutions for data processing systems and memory access. One of his notable inventions includes a data processing system that maximizes the usage of a fast operation mode, thereby enhancing the efficiency of operations like block copy processing.

Career Highlights: With an impressive portfolio of 42 patents to his name, Hayashi has demonstrated a deep understanding of technology and its potential applications. Throughout his career, he has consistently pushed the boundaries of innovation in collaboration with esteemed companies such as Hitachi Chemical Company, Ltd. and Hitachi, Ltd.

Collaborations: Hayashi's collaborative spirit has been a driving force behind his success. Working alongside accomplished individuals like Seiji Tai and Toshiaki Ishimaru, he has been able to bring his groundbreaking ideas to fruition and contribute significantly to the advancement of technology.

Conclusion: Nobuyuki Hayashi's passion for innovation and dedication to excellence have not only established him as a visionary inventor but have also paved the way for future technological advancements. His contributions resonate across generations, inspiring aspiring inventors to dream big and push the limits of what is possible in the world of technology.

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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