Company Filing History:

11 out of 42,485

Hitachi, Ltd.

where one patent can have more than one assignee

Years Active: 1986-1994

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5353422 - Method and system for storing and managing a plurality of information (1994-10-04),

2. 5193154 - Buffered peripheral system and method for backing up and retrieving data (1993-03-09),

3. 5163134 - Method and apparatus for controlling data writing in magnetic recording (1992-11-10),

4. 5060090 - Automatic storage system and method for information recording media (1991-10-22),

5. 4926324 - I/O control system and method (1990-05-15),

6. 4833665 - Information recording control system reusing a defective area (1989-05-23),

7. 4760566 - Method of controlling write operation for rotating type recording medium (1988-07-26),

8. 4754399 - Data transfer control system for controlling data transfer between a (1988-06-28),

9. 4677606 - Data recording and reproducing method (1987-06-30),

10. 4638472 - Information recording system and method for using alternative record (1987-01-20),

11. 4611314 - Method for accessing to a rotating record medium and an access control (1986-09-09),

Title: Takashi Doi: Innovator in Information Management Systems

Introduction

Takashi Doi is a prominent inventor based in Hadano, Japan, known for his contributions to information management systems. With a total of 11 patents to his name, Doi has made significant advancements in the field of data storage and retrieval.

Latest Patents

Doi's latest patents include a method and system for storing and managing a plurality of information. This innovative system features storage compartments for various information media, recording/reproducing apparatus capable of accessing these media, and a controller that optimizes the use of these resources based on historical data. Another notable patent is a buffered peripheral system designed for backing up and retrieving data. This system includes a primary control unit with a buffer memory that temporarily stores data before it is written to a peripheral device, ensuring data integrity and efficient management.

Career Highlights

Throughout his career, Takashi Doi has worked with notable companies such as Hitachi, Ltd. and Nippon T&T Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of technology in information management.

Collaborations

Doi has collaborated with esteemed colleagues, including Michio Miyazaki and Akira Yamamoto, further enhancing his work and expanding the impact of his inventions.

Conclusion

Takashi Doi's contributions to the field of information management systems demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of data storage and retrieval, making him a significant figure in the industry.

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