Kenji Sato

This inventor holds 7 USPTO granted patents. Top assignees: Konica Corporation, Hewlett-Packard Company. Active years: 1991-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Sato. Retrieved from https://idiyas.com/inventor/kenji-sato-ns2nyvk3

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 74(Granted Patents)

Company Filing History:

Hewlett-Packard Company

patents

Years Active: 1991-1998

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5828934 - Driving device of developing units and toner replenishing units for use (1998-10-27),

2. 5802435 - Toner hopper lockout mechanism (1998-09-01),

3. 5610692 - Toner hopper lockout mechanism (1997-03-11),

4. 5347349 - Image forming apparatus having a protective gate member (1994-09-13),

5. 5335052 - Image recording apparatus with belt-type transfer device (1994-08-02),

6. 5099278 - Apparatus for switching and driving a plurality of driven system (1992-03-24),

7. 5051783 - Cam for shifting a transfer device and a cleaning device (1991-09-24),

Title: Kenji Sato: Innovator in Electrographic Printing Technology

Introduction

Kenji Sato is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of electrographic printing technology, holding a total of 7 patents. His innovative designs and mechanisms have improved the efficiency and functionality of printing devices.

Latest Patents

Among his latest patents, Sato has developed a driving device for developing units and toner replenishing units. This invention features a revolution control for a sun and planetary gear system, which includes supporting members for the planetary gears that are revolvable around the same gear. A cam mechanism engages a portion of the supporting member, incorporating a cam shaft that carries multiple cams. The design allows driving gears to operate in either direction while still driving the toner replenishers in the same direction. Another notable patent is the toner hopper lockout mechanism. This mechanism prevents operators from filling a toner hopper until it is sufficiently empty to accept the entire contents of a toner cartridge. It utilizes an interlock mechanism that selectively deactivates lockout members in response to a low toner level transducer, ensuring efficient operation of the printing device.

Career Highlights

Kenji Sato has worked with renowned companies such as Konica Corporation and Hewlett-Packard Company. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in printing technology.

Collaborations

Throughout his career, Sato has collaborated with notable colleagues, including Hiroyuki Honda and Jeffrey L. Trask. These partnerships have fostered innovation and creativity in their respective projects.

Conclusion

Kenji Sato's contributions to electrographic printing technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of efficient printing solutions.

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]