Jiro Shirakata

This inventor holds 54 USPTO granted patents and 2 published patent applications and 4 EPO patents, primarily in Image Processing (CPC class G03G). Top assignee: Canon Kabushiki Kaisha. Active years: 2006-2025.

USPTO Granted Patents = 54 (Patent Applications = 2)

% Patents Active = 53.7

EPO Patents = 4 (Patent Applications = 6)

Average Co-Inventor Count = 2.2

ph-index = 6

Forward Citations = 111(Granted Patents)

Forward Citations (Not Self Cited) = 103(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Chiba, JP (2006)
Kashiwa, JP (2007 - 2011)
Kanagawa, JP (2022 - 2023)
Chigasaki, JP (2011 - 2024)

Company Filing History:

54 out of 92,842

Canon Kabushiki Kaisha

patents

Years Active: 2006-2025

Loading Chart...

Areas of Expertise:

Image Forming Apparatus

Toner Density Control

Replacement Components

Induction Heating

Image Reading

Developer Replenishment

Posture Control

Belt Driving Apparatus

Simulation Unit

Control Method

Frequency Component

Skew Feeding Correction

54 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12321120 - Information processing apparatus, method of controlling information processing apparatus, and image forming apparatus (2025-06-03),

2. 12025938 - Information processing apparatus, method of controlling information processing apparatus, and image forming apparatus (2024-07-02),

3. 11733633 - Information processing apparatus that determines replacement time of replacement components (2023-08-22),

4. 11641437 - Image reading apparatus comprising correction of an image by using a converted time-series component converted from a frequency component extracted from a read pattern that is outside of a region in which an original is placed (2023-05-02),

5. 11474468 - Information processing apparatus that determines replacement time of replacement components (2022-10-18),

6. 11392069 - Information processing apparatus, method of controlling information processing apparatus, and image forming apparatus (2022-07-19),

7. 10901357 - Information processing apparatus, method of controlling information processing apparatus, and image forming apparatus (2021-01-26),

8. 10372066 - Image forming apparatus (2019-08-06),

9. 10281854 - Image forming apparatus (2019-05-07),

10. 10248046 - Image forming apparatus (2019-04-02),

11. 9939748 - Image forming apparatus that controls posture of intermediate transfer member and image formation position based on results of detection of predetermined portion of intermediate transfer member (2018-04-10),

12. 9753403 - Image forming apparatus for executing developer replenishment control (2017-09-05),

13. 9753398 - Image forming apparatus and control method of image forming apparatus to replenishment control of toner (2017-09-05),

14. 9523954 - Image forming apparatus that performs developer replenishment (2016-12-20),

15. 9507286 - Image forming apparatus having charging member for charging photosensitive member (2016-11-29),

Title: Jiro Shirakata - Innovative Inventor from Chigasaki, JP

Introduction: Jiro Shirakata is a renowned inventor hailing from Chigasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Jiro Shirakata holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Jiro Shirakata has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Jiro Shirakata has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Jiro Shirakata's passion for innovation, coupled with his dedication to pushing the boundaries of technology, has solidified his reputation as a visionary inventor in the global tech community.