Hitoshi Ishikawa

This inventor holds 75 USPTO granted patents and 5 published patent applications and 13 EPO patents, primarily in Lithium-Ion Batteries (CPC class H01M). Top assignees: Nec Corporation, Samsung Sdi Co., Inc., Nec Energy Devices, Ltd.. Active years: 1995-2022.

USPTO Granted Patents = 75 (Patent Applications = 5)

% Patents Active = 89.3

EPO Patents = 13 (Patent Applications = 3)

Average Co-Inventor Count = 3.4

ph-index = 11

Forward Citations = 474(Granted Patents)

Forward Citations (Not Self Cited) = 452(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Sendai, JP (2013)
Sagamihara, JP (2013 - 2017)
Kanagawa, JP (2015 - 2020)
Tokyo, JP (1995 - 2022)

Company Filing History:

Samsung Sdi Co., Inc.

patents

9 out of 92

Nec Energy Devices, Ltd.

Sony Interactive Entertainment Inc.

patents

6. 3 out of 1,219

Samsung Mobile Display Co., Ltd.

patents

7. 3 out of 1,799

Sony Computer Entertainment Inc.

Samsung Display Co., Ltd.

patents

11. 1 out of 132,107

Samsung Electronics Co., Ltd.

patents

12. 1 out of 14

Sony Corporation Entertainment Inc.

where one patent can have more than one assignee

Years Active: 1995-2022

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Areas of Expertise:

Lithium Ion Battery

Electrolyte Solution

Secondary Battery

Nonaqueous Electrolyte

Battery Manufacturing

Negative Electrode

Gel Electrolyte

Electroluminescent Device

Image Processing

Simulation Method

Control Method

75 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11495800 - Electrode for power storage device and method for producing same (2022-11-08),

2. 11251424 - Lithium ion secondary battery (2022-02-15),

3. 10978737 - Nonaqueous electrolyte solution and secondary battery (2021-04-13),

4. 10840551 - Lithium secondary battery and manufacturing method therefor (2020-11-17),

5. 10824775 - Simulation method and device for determining collision between objects (2020-11-03),

6. 10756337 - Lithium ion secondary battery (2020-08-25),

7. 10566661 - Electrolytic solution and secondary battery (2020-02-18),

8. 10361464 - Electrolytic solution and secondary battery (2019-07-23),

9. 10224568 - Electrolytic solution and secondary battery (2019-03-05),

10. 10211451 - Negative electrode for lithium ion secondary battery comprising negative electrode active material containing two carbons and method for manufacturing lithium ion secondary battery comprising same (2019-02-19),

11. 10089420 - Simulation apparatus, controlling method, program and information storage medium for the simulation apparatus (2018-10-02),

12. 9991561 - Lithium ion secondary battery (2018-06-05),

13. 9953116 - Methods and apparatus for simulating positions of a plurality of objects in a virtual space, controlling method, program and information storage medium (2018-04-24),

14. 9941545 - Electrolyte solution for secondary batteries, and secondary battery using same (2018-04-10),

15. 9899703 - Gel electrolyte and polymer secondary battery using same (2018-02-20),

Title: The Visionary Innovator: Hitoshi Ishikawa's Pursuit of Innovation

Introduction:

Hitoshi Ishikawa, a renowned inventor based in Tokyo, JP, has captivated the world with his relentless pursuit of innovation and passion for pushing boundaries. With an impressive 75 patents to his name, Ishikawa has proven himself to be a true visionary in the field of invention, inspiring generations to dream big and catalyze change.

Latest Patents:

His latest patents showcase his dedication to advancing energy storage technology. The "Electrode for power storage device and method for producing same" patent aims to enhance the energy density and cycle characteristics of lithium-ion batteries. By incorporating Si materials into the electrode composition, Ishikawa's invention demonstrates a significant leap forward in battery technology.

Career Highlights:

Throughout his illustrious career, Hitoshi Ishikawa has made significant contributions to companies such as NEC Corporation and Samsung SDI Co., Inc. His innovative spirit and expertise have led to groundbreaking advancements in various industries, making him a highly sought-after inventor in the field.

Collaborations:

Noteworthy collaborations with esteemed colleagues like Satoru Toguchi and Atsushi Oda have further amplified Ishikawa's innovative capabilities. Together, they have worked on cutting-edge projects that have reshaped the landscape of technological innovation.

Conclusion:

In conclusion, Hitoshi Ishikawa's unwavering commitment to innovation and his pioneering work in energy storage have solidified his position as a visionary inventor. His drive to explore new possibilities and reshape the future of technology serves as an inspiration to aspiring inventors worldwide. Ishikawa's legacy will undoubtedly endure, leaving an indelible mark on the world of invention for years to come.