Toyokazu Satomi

This inventor holds 24 USPTO granted patents, primarily in Electrophotographic Technology. Top assignees: Ricoh Company, Ltd., Ricon Company, Ltd.. Active years: 1977-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyokazu Satomi. Retrieved from https://idiyas.com/inventor/toyokazu-satomi

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

USPTO Granted Patents = 24

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 10

Forward Citations = 368(Granted Patents)

Location History:

Yokohama, JA (1977)
Tokyo, JA (1978)
Tokyo, JP (1979 - 1981)
Yokohama, JP (1979 - 1995)

Company Filing History:

Years Active: 1977-1995

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Areas of Expertise:

Image Scanning Mechanism

Electrophotographic Reproduction

Variable Magnification

Duplex Copying Machine

Auto Document Feeder

Slit Exposure Optical System

Electrostatic Copying Machine

Drum Cleaning Method

Photosensitive Member

Travel Assembly

Support Device

Alarm Device

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5404206 - Image scanning mechanism using direct drive mechanism (1995-04-04),

2. 4771315 - Drive device for travel assembly (1988-09-13),

3. 4714354 - Support device for travel assembly (1987-12-22),

4. 4472048 - Slit exposure optical system in electrophotographic copying machine (1984-09-18),

5. 4436407 - Electrophotographic reproduction of a three-dimensional object (1984-03-13),

6. 4415259 - Variable magnification and reciprocal exposure copying method (1983-11-15),

7. 4399431 - Alarm or warning device for signaling left-behind master or original (1983-08-16),

8. 4371255 - Electrophotographic copying method and apparatus of reciprocal original (1983-02-01),

9. 4344695 - Method and apparatus for slitwise exposure of photosensitive member in (1982-08-17),

10. 4320963 - Original feeding system (1982-03-23),

11. 4286865 - Electrophotographic copying apparatus for the production of multiple (1981-09-01),

12. 4279497 - Electrostatic copying machine (1981-07-21),

13. 4272180 - Electrostatic copying machine (1981-06-09),

14. 4231561 - Auto document feeder for use with duplex copying machine (1980-11-04),

15. 4218130 - Method for controlling a copying apparatus adapted to print images on (1980-08-19),

Title: Innovator Spotlight: Toyokazu Satomi

Introduction: Toyokazu Satomi, based in Yokohama, Japan, is a distinguished inventor with an impressive portfolio of 24 patents. His innovative contributions primarily focus on advancements in image scanning mechanisms and drive devices, underscoring his significant impact in the field of optical systems.

Latest Patents: Among Satomi's latest inventions is an image scanning mechanism utilizing a direct drive mechanism. This mechanism allows for efficient reading of original images on various sheets by progressively capturing all details through both reflected and transmitted light. The arrangement incorporates diverse driving mechanisms for optimal performance.

Another notable invention is a drive device for a travel assembly, designed for use in image read scanners and printer heads. This device employs a wire rope to drive the travel assembly while effectively managing the tension through a one-way clutch system. This innovation ensures the stability of motion by compensating for variations caused by the spring's elongation, further enhancing the reliability of scanning devices.

Career Highlights: Toyokazu Satomi has made significant strides in his career, having worked with renowned companies like Ricoh Company, Ltd. and Ricon Company, Ltd. His experience in these organizations has cemented his role as a key figure in the development of imaging technologies.

Collaborations: Throughout his career, Satomi has collaborated with notable colleagues such as Yasuhiro Tabata and Tamaki Kaneko. Their collective expertise has contributed to several advancements within the realm of image processing and scanning technologies.

Conclusion: Toyokazu Satomi stands out as an influential inventor in the optical technology sector. His 24 patents reflect his dedication to innovation, and his ongoing contributions continue to shape the future of imaging systems.

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]