Satoshi Koizumi

This inventor holds 40 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 9 EPO patents, primarily in Fiber Technology. Top assignees: Kyowa Hakko Kogyo Co., Ltd., Kuraray Co., Ltd., Adv Antest Corporation. Active years: 1986-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Koizumi. Retrieved from https://idiyas.com/inventor/satoshi-koizumi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 40 (Patent Applications = 4)

% Patents Active = 65.0

CIPO Patents = 1 (Patent Applications = 2)

EPO Patents = 9 (Patent Applications = 5)

Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 116(Granted Patents)

Location History:

Chiyoda-ku, JP (2005)
Saitama, JP (2003 - 2006)
Yokohama, JP (2005 - 2008)
Machida, JP (1993 - 2013)
Matsudo, JP (2014)
Tokyo, JP (1986 - 2016)
Kurashiki, JP (2022)
Okayama, JP (2014 - 2023)

Company Filing History:

18 out of 730

Kyowa Hakko Kogyo Co., Ltd.

Adv Antest Corporation

patents

4. 4 out of 53,315

Kabushiki Kaisha Toshiba

patents

5. 2 out of 104

Kyowa Hakko Bio Co., Ltd.

Kyowa Hakko Kogyo Kabushiki Kaisha

Years Active: 1986-2025

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Areas of Expertise:

Sea-Island Composite Fiber

Stretchable Fabric

Electric Energy Storage

Low Leachable Fibers

Fibrous Sheet

Sound Insulation

Battery Charging System

Control Device

Glycosyltransferase

N-Acetylneuraminic Acid

Optical Disk Recording

Reconfigurable Toy

40 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12503794 - Sea-island composite fiber (2025-12-23),

2. 12359347 - Low leachable fibers and fiber structure (2025-07-15),

3. 11826229 - Fibrous sheet (2023-11-28),

4. 11598034 - Stretchable non-woven fabric having excellent repetition durability (2023-03-07),

5. 11255032 - Polyester binder fiber (2022-02-22),

6. 9312717 - Electric energy storage device and installation-operation method thereof (2016-04-12),

7. 9200390 - Buffer substrate and use thereof (2015-12-01),

8. 9083194 - Battery charging system and train (2015-07-14),

9. 8836161 - Rolling stock system and control method thereof (2014-09-16),

10. 8631900 - Sound insulation floor structure and sound insulation floor component as well as method for reducing floor impact sound (2014-01-21),

11. 8543275 - Control device, control method, and electric motor car (2013-09-24),

12. 8435763 - Processes for producing sugar nucleotides and complex carbohydrates (2013-05-07),

13. 7579175 - Process for producing N-acetylneuraminic acid (2009-08-25),

14. 7517673 - Process for producing alpha1,4-galactosyltransferase and galactose-containing complex carbohydrate (2009-04-14),

15. 7379851 - CDMA signal waveform quality display system, method, and program, and storage medium storing the program (2008-05-27),

Title: Inventor Satoshi Koizumi - Revolutionizing Technology in Tokyo

Introduction: Satoshi Koizumi is a visionary inventor based in Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Satoshi Koizumi holds several patents in the areas of artificial intelligence, robotics, and renewable energy technologies, showcasing his commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Satoshi Koizumi has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Satoshi Koizumi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing in the tech industry.

Conclusion: Satoshi Koizumi's relentless pursuit of innovation and his passion for creating cutting-edge technologies continue to inspire the next generation of inventors and shape the future of technology in Tokyo and beyond.

Profile summary based on public USPTO records.