Kazunari Murayama

This inventor holds 70 USPTO granted patents and 5 published patent applications, plus 2 CIPO patents and 14 EPO patents, primarily in Electrophotographic Imaging (CPC class G03G). Top assignee: Canon Kabushiki Kaisha. Active years: 2000-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazunari Murayama. Retrieved from https://idiyas.com/inventor/kazunari-murayama

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

USPTO Granted Patents = 70 (Patent Applications = 5)

% Patents Active = 82.9

CIPO Patents = 2

EPO Patents = 14 (Patent Applications = 10)

Average Co-Inventor Count = 3.8

ph-index = 36

Forward Citations = 3,536(Granted Patents)

Forward Citations (Not Self Cited) = 2,910(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Sunto-gun, JP (2003 - 2006)
Shizuoka, JP (2001 - 2008)
Shizuoka-ken, JP (2000 - 2012)
Numazu, JP (2009 - 2016)
Suntoh-gun, JP (2003 - 2023)

Company Filing History:

70 out of 92,901

Canon Kabushiki Kaisha

patents

Years Active: 2000-2024

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Areas of Expertise:

Process Cartridge

Image Forming Apparatus

Electrophotographic

Toner Cartridge

Mechanical Assembly

Developer Roller

Photosensitive Drum

Remanufacturing Method

Positioning Mechanism

Electrical Contacts

Mounting Mechanism

Driving Force Transmission

70 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12105466 - Process cartridge and image forming apparatus (2024-10-01),

2. 11841673 - Process cartridge and image forming apparatus (2023-12-12),

3. 11579563 - Process cartridge and image forming apparatus (2023-02-14),

4. 11460802 - Process cartridge and image forming apparatus (2022-10-04),

5. 11215949 - Process cartridge and image forming apparatus (2022-01-04),

6. 10976696 - Process cartridge and image forming apparatus (2021-04-13),

7. 10761478 - Process cartridge and image forming apparatus (2020-09-01),

8. 10642218 - Process cartridge and image forming apparatus (2020-05-05),

9. 10234820 - Process cartridge and image forming apparatus (2019-03-19),

10. 10162304 - Process cartridge and image forming apparatus (2018-12-25),

11. 9857763 - Process cartridge and image forming apparatus (2018-01-02),

12. 9829856 - Process cartridge and image forming apparatus (2017-11-28),

13. 9519260 - Process cartridge and image forming apparatus (2016-12-13),

14. 9507318 - Process cartridge and electrophotographic image forming apparatus (2016-11-29),

15. 9501034 - Process cartridge and image forming apparatus (2016-11-22),

Title: The Innovative Journey of Kazunari Murayama

Introduction: Kazunari Murayama is a pioneering inventor hailing from Suntoh-gun, Japan. His relentless passion for innovation has led to groundbreaking contributions in various fields.

Latest Patents: Kazunari Murayama's recent patents showcase his expertise in developing cutting-edge technologies that are revolutionizing industries worldwide.

Career Highlights: Throughout his illustrious career, Kazunari Murayama has consistently pushed the boundaries of what is possible. His innovative spirit has resulted in numerous patents that have significantly impacted the technological landscape.

Collaborations: Kazunari Murayama has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work across disciplines has led to the creation of truly transformative technologies.

Conclusion: In conclusion, Kazunari Murayama stands as a testament to the power of innovation and dedication. His contributions have not only shaped industries but have also inspired future generations of inventors to dream big and think outside the box.

Profile summary based on public USPTO records.