Masayuki Yamane

This inventor holds 78 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 16 EPO patents, primarily in Image Forming Apparatus (CPC class G03G). Top assignees: Ricoh Company, Ltd., Nec Corporation. Active years: 1988-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Yamane. Retrieved from https://idiyas.com/inventor/masayuki-yamane

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

USPTO Granted Patents = 78 (Patent Applications = 3)

% Patents Active = 87.2

CIPO Patents = 1

EPO Patents = 16 (Patent Applications = 12)

Average Co-Inventor Count = 5.5

ph-index = 20

Forward Citations = 1,109(Granted Patents)

Forward Citations (Not Self Cited) = 960(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yokohana, JP (2001)
Kawasaki, JP (2005)
Zama, JP (2007 - 2009)
Tokyo, JP (1988 - 2011)
Yokohama, JP (2002 - 2015)
Ohta-ku, JP (2012 - 2016)
Kanagawa, JP (2005 - 2023)

Company Filing History:

Years Active: 1988-2025

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Areas of Expertise:

Image Forming Apparatus

Toner Container

Developing Device

Process Cartridge

Information Storage System

Magnetic Permeability Detector

Developer Container

Removable Device

Powder Container

Toner Cartridges

Oscillation Signal Frequency

Alignment Shaft

78 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12416878 - Information storage system including a plurality of terminals (2025-09-16),

2. 11768448 - Information storage system including a plurality of terminals (2023-09-26),

3. 11429036 - Information storage system including a plurality of terminals (2022-08-30),

4. 11275327 - Information storage system including a plurality of terminals (2022-03-15),

5. 11188007 - Developer container which discharges toner from a lower side and includes a box section (2021-11-30),

6. 10754275 - Apparatus and method for preventing an information storage device from falling from a removable device (2020-08-25),

7. 10725398 - Developer container having a cap with three portions of different diameters (2020-07-28),

8. 10209645 - Vertical biaxial developing device and image forming apparatus and process cartridge incorporating same (2019-02-19),

9. 10168642 - Developing device and image forming apparatus and process cartridge incorporating same (2019-01-01),

10. 10114334 - Developing device with casing having upper and lower compartments (2018-10-30),

11. RE47086 - Toner container and image forming apparatus (2018-10-15),

12. 9989887 - Apparatus and method for preventing an information storage device from falling from a removable device (2018-06-05),

13. 9864297 - Developing device and image forming apparatus and process cartridge incorporating same (2018-01-09),

14. 9753401 - Powder container and image forming apparatus incorporating same (2017-09-05),

15. 9599927 - Apparatus and method for preventing an information storage device from falling from a removable device (2017-03-21),

Title: Masayuki Yamane: Innovator in Information Storage Systems

Introduction

Masayuki Yamane, located in Kanagawa, Japan, is a prominent inventor known for his significant contributions to technology with a remarkable portfolio of 75 patents. His innovative work, particularly in the field of information storage systems, showcases his commitment to advancing technology and enhancing user experiences.

Latest Patents

Among his recent inventions is a sophisticated information storage system that encompasses a variety of terminals. One notable patent describes a toner container that includes a container body, an opening, a cover, a toner discharge port, a shutter, a cylindrical structure, protrusions, and an identifier. This inventive design features a main shutter attached to the cover, which effectively regulates the toner discharge port by transitioning between a closed position and an open position. The protrusions, located on both sides of the cover, extend orthogonally to the toner container mounting direction, ensuring functionality and efficient toner management. The identifier on the cover further indicates the toner color, making it user-friendly and practical for various applications.

Career Highlights

Masayuki Yamane has made significant strides in his career at Ricoh Company, Ltd., where he continues to innovate and drive technological advancements. His expertise in developing cutting-edge systems and components has positioned him as a leader in his field, contributing greatly to Ricoh’s reputation as a powerhouse in technology solutions.

Collaborations

Yamane has had the privilege of collaborating with esteemed colleagues such as Nobuyuki Taguchi and Takeroh Kurenuma. These partnerships have fostered a dynamic environment for innovation, allowing them to combine their talents and ideas to create groundbreaking technologies.

Conclusion

In summary, Masayuki Yamane stands out as a visionary inventor whose work in information storage systems, particularly his latest innovations in toner containers, showcases his dedication to improving technology. His impressive record of patents reflects not only his creativity but also his commitment to pushing the boundaries of what is possible in technology. His ongoing contributions at Ricoh Company, Ltd., along with collaborative efforts with fellow innovators, ensure that he will continue to make significant impacts in the industry for years to come.

Profile summary based on public USPTO records.