Kei Ishida

This inventor holds 80 USPTO granted patents and 2 published patent applications and 7 EPO patents, primarily in Fixing Devices (CPC class G03G). Top assignee: Brother Kogyo Kabushiki-Kaisha. Active years: 2012-2026.

USPTO Granted Patents = 80 (Patent Applications = 2)

% Patents Active = 97.5

EPO Patents = 7 (Patent Applications = 7)

Average Co-Inventor Count = 2.4

ph-index = 6

Forward Citations = 122(Granted Patents)

Forward Citations (Not Self Cited) = 60(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Aichi, JP (2013 - 2016)
Nishi-ku, JP (2012 - 2017)
Nagoya, JP (2013 - 2018)
Inuyama, JP (2017 - 2024)

Company Filing History:

80 out of 17,866

Brother Kogyo Kabushiki-Kaisha

patents

Years Active: 2012-2026

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Areas of Expertise:

Fixing Device

Heater

Fuser Unit

Image Forming Apparatus

Belt Guide

Temperature Sensor

Lubricant

Heating Assembly

Nip Plate

Frame

Guide

Temperature Detection

80 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12730398 - Fuser (2026-09-08),

2. 12386297 - Fixing device including heater in which first and second resistance heating elements are positioned apart from each other on first surface of substrate by predetermined distance in conveying direction (2025-08-12),

3. 12345472 - Heater (2025-07-01),

4. 12216419 - Fixing device and image forming apparatus (2025-02-04),

5. 12055876 - Fixing device and image forming apparatus (2024-08-06),

6. 11803144 - Heating unit (2023-10-31),

7. 11188016 - Fixing device including a heater having a planar shape and an endless belt (2021-11-30),

8. 10007214 - Image forming apparatus having fixing device and capable of inhibiting sheet from getting wrinkled (2018-06-26),

9. 10001733 - Fixing device provided with belt guide, and method of manufacturing the same (2018-06-19),

10. 9921531 - Fixing device including heater, resin frame and metal frame having wall disposed between resin frame and heater (2018-03-20),

11. 9869955 - Fixing device provided with nip member capable of preventing outflow of lubricant (2018-01-16),

12. 9720359 - Fixing device and image forming apparatus provided with the same (2017-08-01),

13. 9690241 - Belt guide for fuser unit (2017-06-27),

14. 9671726 - Fixing device (2017-06-06),

15. 9651904 - Fuser unit including belt guide (2017-05-16),

Title: Kei Ishida: Pioneering Inventor from Nagoya

Introduction: Kei Ishida is a renowned inventor hailing from Nagoya, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Kei Ishida holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Kei Ishida has worked with leading research institutions and tech companies, developing cutting-edge solutions that have revolutionized industries worldwide.

Collaborations: Throughout his career, Kei Ishida has collaborated with top engineers, scientists, and designers, fostering a culture of innovation and excellence in all his projects.

Conclusion: Kei Ishida's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and shape the future of technology.