Kenji Takashima

This inventor holds 42 USPTO granted patents and 22 published patent applications and 9 EPO patents, primarily in Electrophotographic Technology. Top assignees: Canon Kabushiki Kaisha, Kyoto University, National Institute of Advanced Industrial Science and Technology. Active years: 2011-2025.

USPTO Granted Patents = 42 (Patent Applications = 22)

% Patents Active = 71.4

EPO Patents = 9 (Patent Applications = 8)

Average Co-Inventor Count = 4.9

ph-index = 9

Forward Citations = 189(Granted Patents)

Location History:

Saitama, JP (2011 - 2016)
Tokyo, JP (2014 - 2019)
Numazu, JP (2018 - 2020)
Kanagawa, JP (2023)
Yokohama, JP (2020 - 2024)

Company Filing History:

42 out of 92,842

Canon Kabushiki Kaisha

National Institute of Advanced Industrial Science and Technology

patents

4. 2 out of 20

Fuji Chemical Company, Limited

patents

5. 2 out of 141

Tokyo University of Science Foundation

patents

6. 2 out of 99

University of Yamanashi

patents

7. 1 out of 590

Tokyo Institute of Technology

patents

where one patent can have more than one assignee

Years Active: 2011-2025

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Areas of Expertise:

Electrophotographic Member

Process Cartridge

Image Forming Apparatus

Nanofiber Sheet

Polymer Nanofiber

Piezoelectric Device

Optical Member

Porous Glass

Bismuth Iron Oxide

Dielectric Ceramics

Ceramic Material

Sliding Mechanism

42 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12339597 - Electro-conductive member, process cartridge, and electrophotographic image forming apparatus (2025-06-24),

2. 12259674 - Electroconductive member, process cartridge, and electrophotographic image formation device (2025-03-25),

3. 11971683 - Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming apparatus (2024-04-30),

4. 11640122 - Electroconductive member, process cartridge, and image forming apparatus (2023-05-02),

5. 11586121 - Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming device (2023-02-21),

6. 11397388 - Process for producing an electrophotographic electroconductive member (2022-07-26),

7. 11385559 - Electroconductive member, process cartridge, and image forming apparatus (2022-07-12),

8. 11347156 - Electro-conductive member for electrophotography, process cartridge for electrophotography, and electrophotographic image forming apparatus (2022-05-31),

9. 11175602 - Electroconductive member, process cartridge, and electrophotographic image forming apparatus (2021-11-16),

10. 11169454 - Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming apparatus (2021-11-09),

11. 10845724 - Electro-conductive member, process cartridge and image forming apparatus (2020-11-24),

12. 10843383 - Rubber composition (2020-11-24),

13. 10678158 - Electro-conductive member for electrophotography, process cartridge, and electrophotographic image forming apparatus (2020-06-09),

14. 10678154 - Electrophotographic electroconductive member, process cartridge, and electrophotographic image forming apparatus (2020-06-09),

15. 10302125 - Sliding member and sliding mechanism (2019-05-28),

Title: Kenji Takashima - Innovative Inventor from Tokyo

Introduction: Kenji Takashima is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various fields of technology and science.

Latest Patents: Kenji Takashima holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his continuous commitment to innovation.

Career Highlights: With over two decades of experience in the industry, Kenji Takashima has worked with leading research institutions and universities to develop cutting-edge technologies that have revolutionized the way we approach complex problems.

Collaborations: Throughout his career, Kenji Takashima has collaborated with top companies and inventors worldwide, fostering a culture of creativity and excellence in the pursuit of technological advancement.

Conclusion: Kenji Takashima's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology in Tokyo and beyond.