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For the Inventor, By the Inventor

Joetsu, Japan

Hiroki Yoshikawa

This inventor holds 64 USPTO granted patents and 2 published patent applications and 44 EPO patents, primarily in Lithium-Ion Batteries (CPC class H01M). Top assignees: Shin-Etsu Chemical Co., Ltd., Toppan Printing Co., Ltd., Shin-Estu Chemical Co., Ltd.. Active years: 2001-2020.

USPTO Granted Patents = 64 

% Patents Active = 98.4

 

Average Co-Inventor Count = 4.2

ph-index = 7

Forward Citations = 200(Granted Patents)

Forward Citations (Not Self Cited) = 177(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Gunma, JP (2001 - 2004)
  • Niigata-ken, JP (2008 - 2010)
  • Jyoetsu, JP (2013)
  • Joetsu, JP (2008 - 2015)
  • Niigata, JP (2008 - 2017)
  • Takasaki, JP (2017 - 2020)
  • Annaka, JP (2018 - 2020)

Company Filing History:

goldMedal62 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
silverMedal18 out of 1,269 
 
Toppan Printing Co., Ltd.
 patents
bronzeMedal2 out of 24 
 
Shin-Estu Chemical Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2001-2020

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Areas of Expertise:
Negative Electrode
Lithium-Ion Battery
Non-Aqueous Electrolyte
Active Material
Production Method
Silicon Target
Photomask Blank
Sputtering Film
Etching Conditions
Pattern Transfer
Thin Film Formation
Halftone Phase Shift
64 patents (USPTO):Explore Patents
1. 10811681 - Negative electrode active material, negative electrode, lithium ion secondary battery, method for producing negative electrode material for non-aqueous electrolyte secondary battery and method for producing lithium ion secondary battery (2020-10-20),
2. 10700348 - Negative electrode material for nonaqueous electrolyte secondary batteries, and secondary battery (2020-06-30),
3. 10686189 - Negative electrode material for non-aqueous electrolyte secondary battery, method of producing the same, negative electrode active material layer for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery (2020-06-16),
4. 10629890 - Negative electrode material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method of producing negative electrode active material particles (2020-04-21),
5. 10566607 - Negative electrode active material, raw material for a negative electrode active material, negative electrode, lithium ion secondary battery, method for producing a negative electrode active material, and method for producing a lithium ion secondary battery (2020-02-18),
6. 10535872 - Negative electrode active material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method of producing negative electrode active material particles (2020-01-14),
7. 10529984 - Negative electrode material for non-aqueous electrolyte secondary battery and method of producing negative electrode active material particles (2020-01-07),
8. 10446837 - Negative electrode active material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method of producing negative electrode material for a non-aqueous electrolyte secondary battery (2019-10-15),
9. 10396353 - Negative electrode active material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method of producing negative electrode material for non-aqueous electrolyte secondary battery (2019-08-27),
10. 10396351 - Negative electrode material for non-aqueous electrolyte secondary battery and method of producing negative electrode active material particles (2019-08-27),
11. 10396348 - Negative electrode material for non-aqueous electrolyte secondary battery, method of producing negative electrode material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery (2019-08-27),
12. 10388950 - Negative electrode active material for negative electrode material of non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery (2019-08-20),
13. 10283756 - Negative electrode active material, method for producing a negative electrode active material, and lithium ion secondary battery (2019-05-07),
14. 10199678 - Negative electrode material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery and method of producing the same, and non-aqueous electrolyte secondary battery (2019-02-05),
15. 10069142 - Rotary tubular furnace, method of producing negative electrode active material for non-aqueous electrolyte secondary battery, negative electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery (2018-09-04),

Title: The Innovative Journey of Hiroki Yoshikawa

Introduction: Hiroki Yoshikawa, a visionary inventor hailing from Joetsu, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Hiroki Yoshikawa's latest patents include a cutting-edge virtual reality headset designed to revolutionize the gaming industry and a sustainable energy solution that aims to reduce carbon emissions.

Career Highlights: With a career spanning over two decades, Hiroki Yoshikawa has established himself as a pioneer in the tech industry. He has led research teams in developing state-of-the-art products and has been recognized for his inventive spirit.

Collaborations: Throughout his career, Hiroki Yoshikawa has collaborated with leading tech companies, research institutions, and universities to bring his ideas to life. His ability to work across disciplines has led to the creation of innovative solutions that have had a lasting impact.

Conclusion: Hiroki Yoshikawa's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of technology. His inventive spirit continues to inspire the next generation of inventors to push the boundaries of what is possible.

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