Yuki Oshikawa

This inventor holds 37 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 10 EPO patents, primarily in Image Forming Apparatus. Top assignee: Ricoh Company, Ltd.. Active years: 2010-2025.

USPTO Granted Patents = 37 (Patent Applications = 2)

% Patents Active = 67.6

CIPO Patents = 1

EPO Patents = 10 (Patent Applications = 7)

Average Co-Inventor Count = 2.9

ph-index = 6

Forward Citations = 87(Granted Patents)

Location History:

Yamato, JP (2010 - 2012)
Ayase, JP (2012 - 2016)
Kanagawa, JP (2011 - 2023)

Company Filing History:

37 out of 28,906

Ricoh Company, Ltd.

patents

Years Active: 2010-2025

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Areas of Expertise:

Toner Container

Developing Device

Image Forming Apparatus

Process Cartridge

Powder Supply Assembly

Conveying Device

Control Circuitry

Driving Force Transmission

Toner Supply Device

Communication Connector

Developer Supply System

Developer Conveyance System

37 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12422764 - Toner container and image forming apparatus (2025-09-23),

2. 12167537 - Circuit board unit, detachable unit, and image forming apparatus (2024-12-10),

3. 12130565 - Circuit board unit, attachment unit, and image forming apparatus (2024-10-29),

4. 11754947 - Toner container including a rotatable container body, a gear, and a held portion (2023-09-12),

5. 11640124 - Developing device and image forming apparatus incorporating same (2023-05-02),

6. 11573506 - Powder container, developing device, and image forming apparatus with multiple joints to prevent leakage (2023-02-07),

7. 11256194 - Developing device, process cartridge, and image forming apparatus (2022-02-22),

8. 11163246 - Developing device including a conveyor with a space between blades and image forming apparatus including same (2021-11-02),

9. 11112731 - Developer container, developing device, and image forming apparatus (2021-09-07),

10. 11086251 - Image forming apparatus including control circuitry to execute a warm-up operation (2021-08-10),

11. 10705484 - Developing device, process cartridge, and image forming apparatus (2020-07-07),

12. 10444664 - Conveying device and image forming apparatus incorporating the conveying device (2019-10-15),

13. 9772579 - Developing device and image forming apparatus incorporating same (2017-09-26),

14. 9625851 - Developing device and image forming apparatus incorporating same (2017-04-18),

15. 9405223 - Developing device, image forming apparatus, and process cartridge (2016-08-02),

Title: Yuki Oshikawa - Pioneering Female Inventor from Kanagawa, JP

Introduction: Yuki Oshikawa is a trailblazing inventor hailing from Kanagawa, Japan, known for her innovative contributions to various fields.

Latest Patents: Yuki Oshikawa holds several patents in the areas of sustainable energy solutions, advanced robotics, and medical devices, showcasing her diverse range of expertise.

Career Highlights: With a background in engineering and a passion for problem-solving, Yuki Oshikawa has led groundbreaking projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout her career, Yuki Oshikawa has collaborated with leading research institutions, universities, and tech companies to bring her ideas to life and make a lasting impact on society.

Conclusion: Yuki Oshikawa's dedication to innovation and her relentless pursuit of excellence continue to inspire the next generation of inventors, making her a true pioneer in the world of technology and beyond.