Higashiosaka, Japan

Koichi Inui

This inventor holds 7 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1986-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Inui. Retrieved from https://idiyas.com/inventor/koichi-inui

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 110(Granted Patents)


Company Filing History:


Years Active: 1986-1997

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7 patents (USPTO):Explore Patents

Title: Koichi Inui: Innovator in Image Forming Technology

Introduction

Koichi Inui is a prominent inventor based in Higashiosaka, Japan. He has made significant contributions to the field of image forming technology, holding a total of 7 patents. His innovative work has led to advancements in electronic image forming apparatuses, enhancing the efficiency and quality of image reproduction.

Latest Patents

Among his latest patents, Inui has developed an electronic image forming apparatus with reduced residual carrier. This apparatus features a photosensitive body, a main charger, an exposing unit, a developing unit, and a contact-transfer charger. The main charger is responsible for charging the photosensitive body to a predetermined electric potential. The exposing unit applies a laser beam to create an electric latent image on the photosensitive surface. The developing unit then develops this latent image into a toner image, which is transferred onto image transfer paper by the contact-transfer charger. Additionally, the apparatus includes a controller that manages power supplies to enhance the electric potential of the photosensitive body after image formation.

Another notable patent is for a copying machine with image superposition capability. This image forming apparatus includes a charging roller that charges a photoconductive layer, a first exposing unit, and a developer unit that maintains toner in contact with the photoconductive layer. A second exposing unit directs light to the back of the photoconductive layer, allowing for the formation of synthetic images at high speed by superimposing printed characters onto copy images.

Career Highlights

Koichi Inui has dedicated his career to advancing image forming technologies. His work at Sharp Kabushiki Kaisha Corporation has positioned him as a key player in the development of innovative imaging solutions. His patents reflect a deep understanding of the complexities involved in image formation and reproduction.

Collaborations

Inui has collaborated with notable colleagues, including Hideo Yamasa and Fumio Shimazu. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Koichi Inui's contributions to image forming technology have significantly impacted the industry. His innovative patents demonstrate his expertise and commitment to enhancing image reproduction processes.

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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