Junji Ogawa

This inventor holds 117 USPTO granted patents and 8 published patent applications and 1 EPO patent, primarily in Data Storage Systems (CPC class G06F3-0688). Top assignees: Hitachi, Ltd., Fujitsu Corporation, Hitachi Information & Telecommunication Engineering, Ltd.. Active years: 1985-2024.

USPTO Granted Patents = 117 (Patent Applications = 8)

% Patents Active = 70.1

EPO Patents = 1 (Patent Applications = 3)

Average Co-Inventor Count = 2.6

ph-index = 21

Forward Citations = 2,017(Granted Patents)

Forward Citations (Not Self Cited) = 1,992(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Kawasaki, JP (1990 - 2011)
Yokohama, JP (1985 - 2012)
Sagamihara, JP (2009 - 2016)
Montréal, CA (2020)
Tokyo, JP (1986 - 2024)

Company Filing History:

Hitachi Information & Telecommunication Engineering, Ltd.

where one patent can have more than one assignee

Years Active: 1985-2024

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Areas of Expertise:

Data Management

Non-Volatile Memory

Flash Memory

Storage Control

Data Transfer

De-duplication

Memory Controller

Error Correction Code

Asynchronous Copy

Semiconductor Storage

Data Compression

Remote Copy

117 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11960771 - Storage system and data management method (2024-04-16),

2. 11714751 - Complex system and data transfer method (2023-08-01),

3. 11675545 - Distributed storage system and storage control method (2023-06-13),

4. 11237962 - Complex system and data transfer method (2022-02-01),

5. 11210214 - Storage system and compression method of storing compressed data from storage controller physical address space to logical and physical address space of nonvolatile memory (2021-12-28),

6. 11068180 - System including non-volatile memory drive (2021-07-20),

7. 10915441 - Storage system having non-volatile memory device (2021-02-09),

8. 10860225 - Apparatus and method for routing access based on device load (2020-12-08),

9. 10803972 - Flash memory module, storage system, and method of controlling flash memory (2020-10-13),

10. 10684785 - Storage system (2020-06-16),

11. 10614014 - Semiconductor storage device having a memory controller, a selection unit and a switch unit connected to each other (2020-04-07),

12. 10444992 - Storage device, apparatus having storage device, and storage control method (2019-10-15),

13. 10360144 - Storage apparatus and non-volatile memory device including a controller to selectively compress data based on an update frequency level (2019-07-23),

14. 10310770 - Nonvolatile memory device, and storage apparatus having nonvolatile memory device (2019-06-04),

15. 10310758 - Storage system and storage control method (2019-06-04),

Title: Junji Ogawa - Innovative Inventor from Sagamihara

Introduction: Junji Ogawa is a renowned inventor hailing from Sagamihara, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Junji Ogawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach.

Career Highlights: With over two decades of experience in the industry, Junji Ogawa has worked with leading research institutions and companies to develop cutting-edge solutions that have revolutionized the way we approach modern challenges.

Collaborations: Throughout his career, Junji Ogawa has collaborated with top engineers, scientists, and innovators from around the world, fostering a culture of creativity and excellence in all his projects.

Conclusion: Junji Ogawa's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and shape the future of technology.