Hitoshi Koizumi

This inventor holds 5 USPTO granted patents and 3 published patent applications, plus 3 CIPO patents and 2 EPO patents. Top assignees: Isuzu Motors Limited, Hokko Chemical Industry Co., Ltd., Kuraray Co., Ltd.. Active years: 1991-2021.

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

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

USPTO Granted Patents = 5 (Patent Applications = 3)

% Patents Active = 100.0

CIPO Patents = 3

EPO Patents = 2 (Patent Applications = 3)

Average Co-Inventor Count = 5.1

ph-index = 3

Forward Citations = 83(Granted Patents)

Company Filing History:

Hokko Chemical Industry Co., Ltd.

where one patent can have more than one assignee

Years Active: 1991-2021

Loading Chart...

5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11021499 - Bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine, ammonium salt thereof, and method for producing same (2021-06-01),

2. 10696701 - Bis(6-methyl-3-sulphophenyl)phenylphosphine, ammonium salt thereof, and method for producing same (2020-06-30),

3. 5086373 - Electric double layer capacitor (1992-02-04),

4. 5072337 - Electrical double-layer capacitor (1991-12-10),

5. 5072335 - Electrical double-layer capacitor (1991-12-10),

Title: Hitoshi Koizumi: Pioneering Inventor from Hiratsuka

Introduction: Hitoshi Koizumi is a renowned inventor hailing from Hiratsuka, Japan, known for his groundbreaking contributions to various fields of technology and innovation.

Latest Patents: Hitoshi Koizumi holds several recent patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to cutting-edge research and development.

Career Highlights: With a career spanning over two decades, Hitoshi Koizumi has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Hitoshi Koizumi has collaborated with top scientists, engineers, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Hitoshi Koizumi's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and researchers worldwide.

Profile summary based on public USPTO records.