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For the Inventor, By the Inventor

Kawasaki, Japan

Yoshiaki Miyashita

This inventor holds 18 USPTO granted patents, primarily in Image Forming Technology. Top assignee: Ricoh Company, Ltd.. Active years: 1996-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Miyashita. Retrieved from https://idiyas.com/inventor/yoshiaki-miyashita

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

Calculating rank
USPTO Granted Patents = 18

% Patents Active = 66.7

Average Co-Inventor Count = 4.6

ph-index = 8

Forward Citations = 431(Granted Patents)


Location History:

  • Kanagawa-ken, JP (1996)
  • Kawasaki, JP (1996 - 2000)
  • Tokyo, JP (2005 - 2013)
  • Komae, JP (2011 - 2013)
  • Tokyo-to, JP (2014)

Company Filing History:

goldMedal18 out of 28,957 
 
Ricoh Company, Ltd.
 patents

Years Active: 1996-2014

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Areas of Expertise:
Optical Sensor
Image Density Control
Image Forming Apparatus
Process Cartridge
Developer Density
Cleaning System
Image Holding Member
Toner
18 patents (USPTO):Explore Patents
1. 8811846 - Optical sensor with positioning reference surface and image forming apparatus incorporating optical sensor (2014-08-19),
2. 8503893 - Image forming apparatus and method for controlling image density (2013-08-06),
3. 8455851 - Optical sensor and image forming apparatus (2013-06-04),
4. 8233813 - Image forming apparatus and image-density control method (2012-07-31),
5. 8145100 - Process cartridge including developing unit and incorporated in image forming apparatus (2012-03-27),
6. 8045874 - Image forming apparatus and image density control method (2011-10-25),
7. 7711275 - Image forming apparatus having an imaging condition setting control (2010-05-04),
8. 6850718 - Image forming apparatus for adjusting predetermined developer density values based on a target value and sensed patch developer density (2005-02-01),
9. 6095164 - Method and apparatus for removing image forming substance from image (2000-08-01),
10. 6047758 - Method for repeatedly using image holding member (2000-04-11),
11. 5753400 - Method for repeatedly using image holding member (1998-05-19),
12. 5605777 - Method and apparatus for regenerating image holding member (1997-02-25),
13. 5585896 - Image forming apparatus with a contact member contacting an image carrier (1996-12-17),
14. 5574538 - Method and apparatus for removing image forming substance from image (1996-11-12),
15. 5572293 - Method of and system for cleaning a charge inducing member (1996-11-05),

Title: Yoshiaki Miyashita: Innovator in Optical Sensors and Image Forming Technology

Introduction

Yoshiaki Miyashita is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the fields of optical sensors and image forming technology. With a total of 18 patents to his name, Miyashita has established himself as a key figure in innovation.

Latest Patents

Miyashita's latest patents include an optical sensor with a positioning reference surface and an image forming apparatus incorporating this optical sensor. The optical sensor is designed to be attached to an apparatus and features a substrate with a light emitting element mounted on its first surface. This light emitting element emits light to a detection object in parallel to the substrate. Additionally, a light receiving element is also mounted on the first surface, which receives regular reflection light from the detection object. The first surface serves as a positioning reference for mounting the optical sensor on an optical sensor mounting member within the apparatus. Another notable patent is for an image forming apparatus and method for controlling image density. This apparatus includes a developer unit that stores a two-component developer, which consists of toner and carrier. It also features a toner concentration detector, a toner supply unit, and a controller that manages the toner supply amount by comparing the output of the toner concentration detector with a stored reference value.

Career Highlights

Miyashita is currently employed at Ricoh Company, Ltd., where he continues to develop innovative technologies. His work has significantly impacted the efficiency and effectiveness of image forming processes.

Collaborations

Miyashita has collaborated with notable coworkers such as Sadao Takahashi and Shinichi Kuramoto, contributing to advancements in their respective fields.

Conclusion

Yoshiaki Miyashita's contributions to optical sensors and image forming technology highlight his role as a leading inventor. His innovative patents and ongoing work at Ricoh Company, Ltd. continue to shape the future of these technologies.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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