Akihiro Ishii

This inventor holds 16 USPTO granted patents and 7 published patent applications, plus 1 CIPO patent and 4 EPO patents, primarily in Information Processing. Top assignees: Fujifilm Business Innovation Corp., Fujifilm Corporation, Mitsubishi Chemical Corporation. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihiro Ishii. Retrieved from https://idiyas.com/inventor/akihiro-ishii-b6rrjl7y

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

Calculating rank

USPTO Granted Patents = 16 (Patent Applications = 7)

% Patents Active = 62.5

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 4 (Patent Applications = 1)

Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 12(Granted Patents)

Location History:

Saitama-ken, JP (2011)
Yokohama, JP (2017 - 2020)
Kanagawa, JP (2021 - 2023)
Minami-ashigara, JP (2024)

Company Filing History:

6 out of 2,424

Fujifilm Business Innovation Corp.

Mitsubishi Chemical Corporation

patents

Years Active: 2011-2026

Loading Chart...

Areas of Expertise:

Information Processing Apparatus

Hydrophilic Porous Membrane

Image Processing

Filter Cartridge

Conductive Film

Secondary Battery

Polymer Production

Camera Control

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12687992 - Information processing apparatus, non-transitory computer readable medium, and information processing method (2026-07-21),

2. 12263451 - Hydrophilic porous membrane and method for producing hydrophilic porous membrane (2025-04-01),

3. 12005401 - Hydrophilic porous membrane and method for producing hydrophilic porous membrane (2024-06-11),

4. 11819807 - Porous membrane and filter cartridge (2023-11-21),

5. 11558526 - Image processing service system (2023-01-17),

6. 11388301 - Information processing apparatus and non-transitory computer readable medium (2022-07-12),

7. 11291062 - Information processing apparatus and non-transitory computer readable medium (2022-03-29),

8. 11245800 - Information processing apparatus and non-transitory computer readable medium (2022-02-08),

9. 11172097 - Information processing apparatus and non-transitory computer readable medium that acquire a psychological state of a user (2021-11-09),

10. 10915212 - Conductive film, conductive film having three-dimensional shape, method of producing the same, method of producing stretched film, and touch sensor film (2021-02-09),

11. 10723820 - Method for producing vinylamine unit-containing polymer and polymerization product (2020-07-28),

12. 10446850 - Binder resin composition for secondary battery electrodes, slurry for secondary battery electrodes, electrode for secondary batteries, and lithium ion secondary battery (2019-10-15),

13. 10361434 - Binder resin for nonaqueous secondary battery electrode, binder resin composition for nonaqueous secondary battery electrode slurry composition for nonaqueous secondary battery electrode, electrode for nonaqueous secondary battery, and nonaqueous secondary battery (2019-07-23),

14. 9774038 - Binder resin for nonaqueous secondary battery electrode, binder resin composition for nonaqueous secondary battery electrode slurry composition for nonaqueous secondary battery electrode, electrode for nonaqueous secondary battery, and nonaqueous secondary battery (2017-09-26),

15. 9745448 - Method for producing vinyl amine unit-containing polymer solution (2017-08-29),

Title: Akihiro Ishii: Innovator in Hydrophilic Membrane Technology

Introduction

Akihiro Ishii is a prominent inventor based in Kanagawa, Japan, known for his significant contributions to the field of hydrophilic porous membranes. With a total of 16 patents to his name, Ishii has made remarkable advancements in membrane technology that enhance filtration processes.

Latest Patents

Ishii's latest patents focus on the development of hydrophilic porous membranes and methods for their production. One notable invention includes a hydrophilic porous membrane that incorporates a porous membrane and hydroxyalkyl cellulose, specifically hydroxypropyl cellulose. This membrane exhibits high water permeability and successfully passes integrity tests when utilized as a filtration membrane in filter cartridges. Another patent details a method for producing a hydrophilic porous membrane, which involves using a hydrophilizing liquid containing hydroxyalkyl cellulose with varying molecular weights to achieve optimal performance.

Career Highlights

Throughout his career, Akihiro Ishii has worked with esteemed companies such as Fujifilm Corporation and Mitsubishi Chemical Corporation. His experience in these organizations has allowed him to refine his expertise in membrane technology and contribute to innovative solutions in the industry.

Collaborations

Ishii has collaborated with notable colleagues, including Shuhei Toda and Hiroyuki Mitsuhashi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in their respective fields.

Conclusion

Akihiro Ishii's work in hydrophilic membrane technology exemplifies the impact of innovation in enhancing filtration processes. His patents and collaborations reflect a commitment to advancing technology for practical applications.

Profile summary based on public USPTO records.