Motoaki Mushika

This inventor holds 74 USPTO granted patents and 2 published patent applications, plus 4 CIPO patents and 14 EPO patents, primarily in Image Forming Technology (CPC class G03G). Top assignees: Brother Kogyo Kabushiki-Kaisha, Brother Industries, Ltd., Kyocera Corporation. Active years: 1996-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motoaki Mushika. Retrieved from https://idiyas.com/inventor/motoaki-mushika

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

Calculating rank

USPTO Granted Patents = 74 (Patent Applications = 2)

% Patents Active = 95.9

CIPO Patents = 4

EPO Patents = 14 (Patent Applications = 13)

Average Co-Inventor Count = 2.9

ph-index = 12

Forward Citations = 402(Granted Patents)

Forward Citations (Not Self Cited) = 262(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Higashiosaka, JP (2003)
Gifu, JP (1996 - 2015)
Hashima, JP (2010 - 2023)

Company Filing History:

64 out of 17,897

Brother Kogyo Kabushiki-Kaisha

patents

6 out of 999

Brother Industries, Ltd.

Sanyo Electric Co., Ltd.

patents

Years Active: 1996-2025

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Areas of Expertise:

Image Forming Apparatus

Developing Cartridge

Toner Cartridge

Photosensitive Drum Unit

Process Cartridge

Cartridge Configuration

Information Detection

Guide Drawer

Agitator

Support Parts

Casing Pressure Member

74 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12259680 - Image forming apparatus (2025-03-25),

2. 12174581 - Image-forming device having guide to guide drawer supporting developing units in main casing (2024-12-24),

3. 11815846 - Image forming apparatus (2023-11-14),

4. 11687028 - Image-forming device having guide to guide drawer supporting developing units in main casing (2023-06-27),

5. 11454919 - Image forming apparatus including process cartridge having a toner cartridge detachably attached to a drum cartridge (2022-09-27),

6. 11314200 - Image forming apparatus (2022-04-26),

7. 11262690 - Image-forming device having guide to guide drawer supporting developing units in main casing (2022-03-01),

8. 11009826 - Image forming apparatus including process cartridge having a toner cartridge detachably attached to a drum cartridge (2021-05-18),

9. 10866556 - Image forming apparatus including process cartridge having a toner cartridge detachably attached to a drum cartridge (2020-12-15),

10. 10859967 - Image forming apparatus (2020-12-08),

11. 10852690 - Image-forming device having guide to guide drawer supporting developing units in main casing (2020-12-01),

12. 10649395 - Developing cartridge comprising mechanism for information detection (2020-05-12),

13. 10613471 - Developer cartridge provided with gear including protrusion (2020-04-07),

14. 10571856 - Image forming apparatus (2020-02-25),

15. 10503116 - Image-forming device having guide to guide drawer supporting developing units in main casing (2019-12-10),

Title: The Innovative Journey of Inventor Motoaki Mushika

Introduction: Motoaki Mushika is a renowned inventor hailing from Hashima, Japan. His groundbreaking work in the field of innovations has earned him global recognition and admiration.

Latest Patents: Motoaki Mushika holds several patents in various technological domains, showcasing his versatility and ingenuity in inventing cutting-edge solutions for modern challenges.

Career Highlights: Throughout his illustrious career, Motoaki Mushika has consistently pushed the boundaries of what is possible, with a keen focus on creating inventions that have a tangible impact on society. His dedication to innovation has led to the development of revolutionary technologies that have transformed industries.

Collaborations: Motoaki Mushika has collaborated with leading research institutions, universities, and companies to further his inventions and bring them to market. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: In conclusion, Motoaki Mushika stands as a beacon of innovation in the world of inventors. His passion for creating solutions that make a difference, coupled with his relentless drive to push the envelope, cements his legacy as a true pioneer in the field of inventions.

Profile summary based on public USPTO records.