Company Filing History:

5 out of 42,485

Hitachi, Ltd.

patents

1 out of 87

Hitachi Ulsi Engineering Corp.

patents

2 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1999-2004

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6748507 - Single-chip microcomputer with integral clock generating unit providing clock signals to CPU, internal circuit modules and synchronously controlling external dynamic memory (2004-06-08),

2. 6735683 - Single-chip microcomputer with hierarchical internal bus structure having data and address signal lines coupling CPU with other processing elements (2004-05-11),

3. 6591294 - Processing system with microcomputers each operable in master and slave modes using configurable bus access control terminals and bus use priority signals (2003-07-08),

4. 6279063 - Microcomputer system with at least first and second microcomputers each operable in master and slave modes with configurable bus access control terminals and bus use priority controller (2001-08-21),

5. 6223265 - Single-chip microcomputer synchronously controlling external synchronous memory responsive to memory clock signal and clock enable signal (2001-04-24),

6. 6212620 - Single-chip microcomputer operable in master and slave modes and having configurable bus control terminals (2001-04-03),

7. 5930523 - Microcomputer having multiple bus structure coupling CPU to other (1999-07-27),

Title: Akio Hayakawa: Innovator in Microcomputer Technology

Introduction

Akio Hayakawa is a prominent inventor known for his contributions to microcomputer technology. He is based in Hachiouji, Japan, and holds a total of 7 patents. His work has significantly impacted the design and functionality of single-chip microcomputers.

Latest Patents

Hayakawa's latest patents include innovative designs for single-chip microcomputers. One notable patent describes a microcomputer with an integral clock generating unit that provides clock signals to the CPU and internal circuit modules while synchronously controlling external dynamic memory. This design features three divided internal buses, which reduce the load capacity on signal transmission paths, allowing for high-speed signal transmission. Additionally, the peripheral module is isolated to minimize power dissipation.

Another significant patent outlines a hierarchical internal bus structure that couples the CPU with other processing elements. Similar to the previous design, it includes a first bus with a central processing unit and cache memory, a second bus with a dynamic memory access control circuit, and a third bus for peripheral modules. This architecture also aims to enhance data transfer efficiency and reduce power consumption.

Career Highlights

Throughout his career, Akio Hayakawa has worked with notable companies, including Hitachi, Ltd. His experience in these organizations has contributed to his expertise in microcomputer technology and innovation.

Collaborations

Hayakawa has collaborated with several talented individuals in the field, including Shumpei Kawasaki and Yasushi Akao. These collaborations have likely fostered a creative environment that has led to significant advancements in technology.

Conclusion

Akio Hayakawa's contributions to microcomputer technology through his innovative patents and collaborations have made a lasting impact on the industry. His work continues to influence the development of efficient and powerful computing systems.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.