Takehisa Hayashi

This inventor holds 48 USPTO granted patents, primarily in Bus Control Systems. Top assignees: Hitachi, Ltd., Hitachi Maxell, Limited. Active years: 1987-2008.

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

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

USPTO Granted Patents = 48

% Patents Active = 95.8

Average Co-Inventor Count = 5.2

ph-index = 20

Forward Citations = 1,590(Granted Patents)

Location History:

Kokubunji, JP (1987)
Tokyo, JP (1990)
Kodaira, JP (1989 - 1996)
Sagamihara, JP (1994 - 2008)

Company Filing History:

Hitachi Maxell, Limited

patents

where one patent can have more than one assignee

Years Active: 1987-2008

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Areas of Expertise:

Bus Control System

Information Processing

Multi-Processor System

Data Transfer

Network Communication

Semiconductor Integrated Circuit

Shared Storage Access

Bidirectional Transmission

Logic Board Interconnection

Distributed Data Management

Cache Memory Control

Field Effect Transistor

48 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7340552 - Bus control system (2008-03-04),

2. 7177970 - Bus control system (2007-02-13),

3. 6970912 - Computer system having a plurality of computers each providing a shared storage access processing mechanism for controlling local/remote access to shared storage devices (2005-11-29),

4. 6728258 - Multi-processor system and its network (2004-04-27),

5. 6519667 - Bus control system (2003-02-11),

6. 6477560 - Method and apparatus for controlling resource (2002-11-05),

7. 6341323 - Information processing system (2002-01-22),

8. 6335867 - Apparatus for interconnecting logic boards (2002-01-01),

9. 6219738 - Information processing system (2001-04-17),

10. 6163464 - Apparatus for interconnecting logic boards (2000-12-19),

11. 6128688 - Bus control system (2000-10-03),

12. 6108694 - Memory disk sharing method and its implementing apparatus (2000-08-22),

13. 6049221 - Semiconductor integrated circuit system having function of automatically (2000-04-11),

14. 6011791 - Multi-processor system and its network (2000-01-04),

15. 6005599 - Video storage and delivery apparatus and system (1999-12-21),

Title: The Innovative Mind of Takehisa Hayashi: A Trailblazer in Bus Control Systems

Introduction: Takehisa Hayashi, based in Sagamihara, Japan, is a prolific inventor known for his significant contributions to the field of data processing systems. With an impressive portfolio of 48 patents, Hayashi has established himself as a prominent figure in the realm of technological innovations.

Latest Patents: Hayashi's latest inventions focus on sophisticated bus control systems. These systems involve a configuration wherein multiple modules are interconnected via a system bus, with each module assigned distinct identifiers. When a source module initiates a split read access to another module, it communicates the destination module's address along with its own identifier. Upon responding, the destination module returns both the response data and the source module's identifier. By verifying the identifier received from the destination module, the source module accurately determines the response data associated with its initiated access, ensuring effective communication within the system.

Career Highlights: Hayashi's career includes noteworthy tenures at renowned companies. He has worked at Hitachi, Ltd. and Hitachi Maxell, Limited, where he honed his skills in innovation and contributed to the development of advanced technologies. His extensive experience in these established organizations has played a crucial role in shaping his inventive capabilities.

Collaborations: Throughout his career, Hayashi has collaborated with several distinguished colleagues, including Kenichi Ishibashi and Toshio Doi. These associations have not only fostered a creative working environment but also facilitated the exchange of ideas that have led to groundbreaking advancements in the tech industry.

Conclusion: Takehisa Hayashi's journey illustrates the impact of a dedicated inventor on the advancement of technology. With his extensive number of patents and focus on innovative bus control systems, he continues to be a vital contributor to the landscape of data processing technologies. As he forges ahead, his work exemplifies the commitment to excellence that drives technological progress.

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]