Hitoshi Fujiwara

This inventor holds 51 USPTO granted patents and 3 published patent applications and 10 EPO patents, primarily in Image Forming Apparatus. Top assignees: Ricoh Company, Ltd., Japan Aerospace Exploration Agency, Kawasaki Jukogyo Kabushiki Kaisha. Active years: 2004-2026.

USPTO Granted Patents = 51 (Patent Applications = 3)

% Patents Active = 72.5

EPO Patents = 10 (Patent Applications = 13)

Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 141(Granted Patents)

Location History:

Osaka, JP (2015 - 2017)
Chofu, JP (2015 - 2020)
Nerima-ku, JP (2021)
Tokyo, JP (2005 - 2022)
Kanagawa, JP (2004 - 2024)

Company Filing History:

Japan Aerospace Exploration Agency

patents

9 out of 3,446

Kawasaki Jukogyo Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 2004-2026

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Areas of Expertise:

Heating Device

Fixing Device

Image Forming Apparatus

Pressure Switching Mechanism

NIP Formation Member

Fuel Injector

Laminate Processing Apparatus

Gas Turbine Combustor

Pilot Fuel Injector

Separator

51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12650662 - Image forming apparatus (2026-06-09),

2. 12619180 - Heating device, fixing device, and image forming apparatus (2026-05-05),

3. 12601995 - Frame device including separate support frames and image forming apparatus (2026-04-14),

4. 12585214 - Heating device, fixing device, drier, laminate processing apparatus, and image forming apparatus (2026-03-24),

5. 12572098 - Pressure switching mechanism and image forming apparatus (2026-03-10),

6. 12554217 - Pressure switching device, image forming apparatus, and pressure switching method (2026-02-17),

7. 12498659 - Heating device, frame device, and image forming apparatus (2025-12-16),

8. 12498656 - Fixing device and image forming apparatus (2025-12-16),

9. 12372903 - Fixing device and image forming apparatus (2025-07-29),

10. 12339604 - Fixing device and image forming apparatus including a pivot restrictor to restrict pivoting of a conductive member (2025-06-24),

11. 12117748 - Fixing device and image forming apparatus incorporating same (2024-10-15),

12. 11966179 - Fixing device and image forming apparatus incorporating same (2024-04-23),

13. 11947295 - Heating device, fixing device, and image forming apparatus (2024-04-02),

14. 11886134 - Heating device, fixing device, and image forming apparatus (2024-01-30),

15. 11874620 - Fixing device and image forming apparatus incorporating same (2024-01-16),

Title: Hitoshi Fujiwara: Pioneering Inventor from Kanagawa

Introduction: Hitoshi Fujiwara is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hitoshi Fujiwara holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Hitoshi Fujiwara 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 Fujiwara has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Hitoshi Fujiwara's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his reputation as a visionary inventor in the global tech community.