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Hirotsugu Kajihara

USPTO Granted Patents = 14 (Patent Applications = 2)

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 66(Granted Patents)

Location History:

Kanagawa, JP (2011 - 2012)
Yokohama, JP (2010 - 2024)

Company Filing History:

10 out of 52,766

Kabushiki Kaisha Toshiba

Years Active: 2010-2025

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12499041 - Memory system limiting range of scan in garbage collection (2025-12-16),

2. 11977775 - Memory system (2024-05-07),

3. 11762597 - Memory system and control method controlling nonvolatile memory in accordance with command issued by processor (2023-09-19),

4. 11435952 - Memory system and control method controlling nonvolatile memory in accordance with command issued by processor (2022-09-06),

5. 9094051 - Power transmitter, power receiver and power transmission and reception system (2015-07-28),

6. 9020421 - Wireless communication device and wireless communication system (2015-04-28),

7. 8989653 - Power transmitter, power receiver and power transmission and reception system (2015-03-24),

8. 8719741 - Guarding logic inserting method based on gated clock enable signals (2014-05-06),

9. 8576964 - Radio receiver (2013-11-05),

10. 8536936 - Power source controller and semiconductor integrated circuit (2013-09-17),

11. 8214668 - Synchronizing circuit (2012-07-03),

12. 8078837 - Hardware engine control apparatus having hierarchical structure (2011-12-13),

13. 7818602 - Semiconductor integrated circuit device preventing logic transition during a failed clock period (2010-10-19),

14. 7809071 - Wireless communication receiving device and wireless communication system (2010-10-05),

Title: Hirotsugu Kajihara: Innovator in Memory Systems

Introduction

Hirotsugu Kajihara is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of memory systems, holding a total of 14 patents. His innovative work has advanced the technology used in data storage and processing.

Latest Patents

Kajihara's latest patents include a sophisticated memory system that features a plurality of memory chips and controllers. This system is designed to optimize write operations by adjusting schedules among the memory controllers. Additionally, it incorporates a data encoding circuit that forms groups of divided data, enhancing the efficiency of data retrieval even when some memory chips are busy. Another notable patent involves a control method for nonvolatile memory, which utilizes update frequency information to manage command execution effectively.

Career Highlights

Throughout his career, Hirotsugu Kajihara has worked with leading companies in the technology sector. He has been associated with Kabushiki Kaisha Toshiba and Kioxia Corporation, where he has contributed to various innovative projects and developments in memory technology.

Collaborations

Kajihara has collaborated with notable colleagues such as Kiyoshi Toshimitsu and Toshiki Miyasaka. Their combined expertise has fostered advancements in memory systems and related technologies.

Conclusion

Hirotsugu Kajihara's contributions to memory systems have established him as a key figure in the field of technology. His innovative patents and collaborations continue to influence advancements in data storage solutions.

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