Akimitsu Tsukuda

This inventor holds 30 USPTO granted patents and 6 published patent applications, plus 2 CIPO patents and 9 EPO patents, primarily in Battery Technology. Top assignees: Toray Industries, Inc., Dai Nippon Printing Co., Ltd., Dainippon Ink and Chemicals, Incorporated. Active years: 1997-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akimitsu Tsukuda. Retrieved from https://idiyas.com/inventor/akimitsu-tsukuda

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

USPTO Granted Patents = 30 (Patent Applications = 6)

% Patents Active = 73.3

CIPO Patents = 2

EPO Patents = 9 (Patent Applications = 8)

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 114(Granted Patents)

Location History:

Kyoto-fu, JP (1999)
Kyoto, JP (1997 - 2008)
Shiga, JP (2010 - 2014)
Otsu, JP (2002 - 2024)

Company Filing History:

29 out of 3,578

Toray Industries, Inc.

patents

2 out of 3,208

Dai Nippon Printing Co., Ltd.

patents

2 out of 630

Dainippon Ink and Chemicals, Incorporated

Konica-Minolta Holdings, Inc.

Sumitomo Bakelite Company Limited

patents

8. 2 out of 6,960

Sumitomo Chemical Company, Limited

patents

9. 2 out of 1,269

Toppan Printing Co., Ltd.

patents

10. 1 out of 1,641

Hitachi Chemical Company, Ltd.

where one patent can have more than one assignee

Years Active: 1997-2026

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Areas of Expertise:

Metal-Air Battery

Porous Film

Battery Separator

Polymer Membrane

Secondary Battery

Rechargeable Battery

Aromatic Polyamide

Magnetic Recording Medium

Composite Membrane

Electrolyte Membrane

Laminated Film

Optical Members

30 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12744280 - Metal-air battery (2026-09-22),

2. 12002988 - Porous film including porous base and porous layer having inorganic particles and resin particles containing fluoro (meth)acrylate-containing or silicon-containing polymer, separator for secondary batteries, and secondary battery (2024-06-04),

3. 11742514 - Porous film, separator for secondary batteries, and secondary battery (2023-08-29),

4. 11637351 - Porous film, separator for rechargeable battery, and rechargeable battery (2023-04-25),

5. 10950914 - Porous film, separator for secondary batteries, and secondary battery (2021-03-16),

6. 10777796 - Secondary battery separator and secondary battery (2020-09-15),

7. 10751980 - Multilayer film (2020-08-25),

8. 10305143 - Polymer-ion-permeable membrane, composite-ion-permeable membrane, battery electrolyte membrane, and electrode composite (2019-05-28),

9. 10173179 - Polymer-ion-permeable membrane, composite-ion-permeable membrane, battery electrolyte membrane, and electrode composite (2019-01-08),

10. 10044017 - Aromatic polyamide porous film, separator for battery, and battery (2018-08-07),

11. 8859648 - Retardation film and polyester resin for optical use (2014-10-14),

12. 8815384 - Aromatic polyamide porous film and separator for capacitor or battery using the same (2014-08-26),

13. 8477267 - Light-condensing film, liquid-crystal panel and backlight as well as manufacturing process for light-condensing film (2013-07-02),

14. 8153753 - Alicyclic or aromatic polyamides, polyamide films, optical members made by using the same, and polyamide copolymers (2012-04-10),

15. 7868102 - Method for producing a film of an aromatic amide oxadiazole polymer containing an oxadiazole structure and the film so produced (2011-01-11),

Title: Akimitsu Tsukuda: Pioneering Inventor from Otsu, Japan

Introduction: Akimitsu Tsukuda is a renowned inventor hailing from Otsu, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tsukuda's latest patents focus on advancements in renewable energy technologies, particularly in the development of solar-powered devices for sustainable living.

Career Highlights: With a career spanning over three decades, Tsukuda has worked tirelessly to bring his innovative ideas to life, resulting in numerous successful patents and inventions that have revolutionized various industries.

Collaborations: Throughout his career, Tsukuda has collaborated with leading research institutions, universities, and tech companies to further enhance his inventions and bring them to the market, solidifying his reputation as a visionary inventor.

Conclusion: Akimitsu Tsukuda's relentless pursuit of innovation and his passion for creating a better future through technology have cemented his legacy as a pioneering inventor in the world of patents and inventions.

Profile summary based on public USPTO records.