Company Filing History:

10 out of 42,485

Hitachi, Ltd.

patents

1 out of 56

Hitachi Computer Engineering Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1992-2006

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7080227 - Information processing apparatus (2006-07-18),

2. 7062627 - Memory managing method used in adding memory and information processing apparatus (2006-06-13),

3. 6728258 - Multi-processor system and its network (2004-04-27),

4. 6684312 - Memory managing method used in adding memory and information processing apparatus (2004-01-27),

5. 6148415 - Backup switching control system and method (2000-11-14),

6. 6049221 - Semiconductor integrated circuit system having function of automatically (2000-04-11),

7. 6011791 - Multi-processor system and its network (2000-01-04),

8. 5678062 - Input/output control method and data processor (1997-10-14),

9. 5235641 - File encryption method and file cryptographic system (1993-08-10),

10. 5144665 - Cryptographic communication method and system (1992-09-01),

Title: Yasuhiro Ishii: Innovator in Information Processing Technology

Introduction

Yasuhiro Ishii is a prominent inventor based in Hadano, Japan. He has made significant contributions to the field of information processing, holding a total of 10 patents. His work focuses on enhancing the functionality and efficiency of information processing apparatuses.

Latest Patents

One of Yasuhiro Ishii's latest patents is an information processing apparatus designed to allow memory to be added while the system is powered. This innovative apparatus includes a processor, a first main memory that is initially connected, and a connecting switch. The switch facilitates the connection between the processor, the first main memory, and a second main memory that can be added. The main memory management information stored in the first main memory includes details about the size of memory resources connected to the processor. Additionally, a storage region in the connecting switch retains information regarding the connection status of the processor to each of the memories. This setup enables the apparatus to utilize the added memory without requiring a restart, significantly improving operational efficiency.

Career Highlights

Yasuhiro Ishii has had a distinguished career, working with notable companies such as Hitachi, Ltd. and Hitachi Computer Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in information processing technology.

Collaborations

Throughout his career, Yasuhiro has collaborated with esteemed colleagues, including Hideki Murayama and Takehisa Hayashi. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Yasuhiro Ishii's contributions to information processing technology are noteworthy, with his innovative patents paving the way for more efficient systems. His work continues to influence the industry and inspire future innovations.

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