Kazuhiro Funatani

This inventor holds 68 USPTO granted patents and 7 published patent applications and 4 EPO patents, primarily in Image Forming Technology (CPC class G03G). Top assignee: Canon Kabushiki Kaisha. Active years: 1999-2026.

USPTO Granted Patents = 68 (Patent Applications = 7)

% Patents Active = 77.9

EPO Patents = 4 (Patent Applications = 6)

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 207(Granted Patents)

Forward Citations (Not Self Cited) = 145(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Numazu, JP (1999 - 2002)
Shizuoka, JP (2004 - 2006)
Mishima, JP (2002 - 2022)
Kawasaki, JP (2020 - 2024)
Kanagawa, JP (2022 - 2024)

Company Filing History:

68 out of 92,842

Canon Kabushiki Kaisha

patents

Years Active: 1999-2026

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Areas of Expertise:

Image Forming Apparatus

Toner Replenishment

Developer Collection

Charge Suppression

Image Defects

Heating Device

User-Friendly Design

Brush Mechanism

Voltage Control

Developer Supplying Member

Surface Cleaning

68 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12523953 - Heating device and image forming apparatus (2026-01-13),

2. 12443129 - Image forming apparatus with simplified developer replenishment structure and that is user-friendly (2025-10-14),

3. 12411446 - Image forming apparatus having a toner replenishment operation (2025-09-09),

4. 12313994 - Image forming apparatus (2025-05-27),

5. 12298700 - Image forming apparatus controlling image forming and sheet interval operations (2025-05-13),

6. 12271118 - Image forming apparatus (2025-04-08),

7. 12265354 - Image forming apparatus (2025-04-01),

8. 12204270 - Image forming apparatus with brush that collects material adhered to surface of image bearing member and that includes brush portion including threads having specified thread density (2025-01-21),

9. 12140885 - Image forming apparatus including brush for surface of developer supplying member (2024-11-12),

10. 12124183 - Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive member (2024-10-22),

11. 12072654 - Image forming apparatus (2024-08-27),

12. 12032322 - Image forming apparatus (2024-07-09),

13. 12025933 - Heating device and image forming apparatus (2024-07-02),

14. 11988973 - Image forming apparatus (2024-05-21),

15. 11960232 - Image forming apparatus controlling condition of charging brush (2024-04-16),

Title: Kazuhiro Funatani - Pioneering Inventor from Mishima, Japan

Introduction: Kazuhiro Funatani is a renowned inventor hailing from Mishima, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Funatani's latest patents include cutting-edge advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to pushing the boundaries of technological progress.

Career Highlights: With a career spanning over two decades, Kazuhiro Funatani has worked with leading tech companies and research institutions, consistently delivering innovative solutions that have revolutionized various industries.

Collaborations: Funatani has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence that has led to numerous successful projects and inventions.

Conclusion: Kazuhiro Funatani's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.