Takafumi Maruyama

USPTO Granted Patents = 12 (Patent Applications = 1)

CIPO Patents = 1

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 88(Granted Patents)

Location History:

Amagasaki, JP (1991 - 1992)
Hadano, JP (2014)
Tokyo, JP (2000 - 2024)

Company Filing History:

5 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

Mitsubishi Electric Corporation

patents

Years Active: 1991-2024

Loading Chart...

12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12061804 - Storage system and data processing method (2024-08-13),

2. 10895989 - Multi-node storage system and queue control method of multi-node storage system (2021-01-19),

3. 10013372 - Input/output apparatus and method (2018-07-03),

4. 8799530 - Data processing system with a host bus adapter (HBA) running on a PCIe bus that manages the number enqueues or dequeues of data in order to reduce bottleneck (2014-08-05),

5. 8786116 - Vehicle control device and diesel hybrid vehicle system (2014-07-22),

6. 8704482 - Power conversion device (2014-04-22),

7. 7453231 - Electric vehicle control device (2008-11-18),

8. 6995540 - Electric motor car controller (2006-02-07),

9. 6087791 - Control apparatus for internal combustion type electric locomotive (2000-07-11),

10. 5155675 - Method of controlling an inverter (1992-10-13),

11. 5060129 - Method of controlling three-phase, three-level inverter (1991-10-22),

12. 5041927 - Magnetic disc driving apparatus having speed and position control (1991-08-20),

Title: **Innovator Profile: Takafumi Maruyama**

Introduction

Takafumi Maruyama is a distinguished inventor based in Tokyo, Japan, renowned for his contributions to data storage systems. With an impressive portfolio of 12 patents, Maruyama's work demonstrates a commitment to innovation in technology.

Latest Patents

Among his latest inventions is a **Storage System and Data Processing Method**, which introduces a storage system where a controller integrates an encryption-related function. This system consists of an interface connecting multiple storage units, allowing a controller to conduct read and write operations effectively. The controller is designed with an arithmetic processing section and an encryption processing section, ensuring that data is secured and access is efficiently managed to prevent deadlock situations.

Another notable patent is the **Multi-node Storage System and Queue Control Method of Multi-node Storage System**. This innovation features a multi-node architecture equipped with several controllers, each processing I/O requests, alongside PCI-connected NVMe drives. The design incorporates virtual queues corresponding to the processors of the controllers, streamlining command management and enhancing system performance.

Career Highlights

Takafumi Maruyama's career includes significant roles in prominent companies such as **Mitsubishi Electric Corporation** and **Hitachi, Ltd.**. His experience in these organizations has significantly influenced his approach to innovation in data storage technology, where he has developed advanced solutions that address complex computational demands.

Collaborations

Throughout his career, Maruyama has collaborated with notable professionals, including Megumu Hasegawa and Masayoshi Kumano. These partnerships have further enriched his work and contributed to the successful development of his patents.

Conclusion

Takafumi Maruyama continues to be a vital contributor to the field of data storage innovation. His latest patents reflect his dedication to enhancing security and efficiency in storage systems, setting a high bar for future technological advancements.

This text is generated by artificial intelligence and may not be accurate.