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For the Inventor, By the Inventor

Zama, Japan

Seiichi Miyazawa

This inventor holds 17 USPTO granted patents, primarily in Semiconductor Devices. Top assignee: Canon Kabushiki Kaisha. Active years: 1987-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Miyazawa. Retrieved from https://idiyas.com/inventor/seiichi-miyazawa

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

Calculating rank
USPTO Granted Patents = 17

% Patents Active = 94.1

Average Co-Inventor Count = 2.2

ph-index = 10

Forward Citations = 260(Granted Patents)


Location History:

  • Yokohama, JP (1987)
  • Kawasaki, JP (1988 - 1990)
  • Sagamihara, JP (1989 - 1992)
  • Zama, JP (1996 - 2022)

Company Filing History:

goldMedal17 out of 93,258 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1987-2022

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Areas of Expertise:
Electrophotographic Apparatus
Image Sensor
Waveguide Structure
Quantum Well Structure
Optical Semiconductor
Diffraction Grating
Compound Semiconductor
Semiconductor Laser
Superlattice Structure
Multibeam Emitting Device
Fabrication Method
Lateral p-n Junction
17 patents (USPTO):Explore Patents
1. 11340553 - Process cartridge and electrophotographic apparatus (2022-05-24),
2. 8334497 - Image sensor comprising a waveguide structure and imaging apparatus (2012-12-18),
3. 6288410 - Semiconductor optical device with tensile-strained quantum well structure (2001-09-11),
4. 5946336 - Optical semiconductor apparatus, fabrication method thereof, modulation (1999-08-31),
5. 5881086 - Optical semiconductor device with quantum wires, fabrication method (1999-03-09),
6. 5663592 - Semiconductor device having diffraction grating (1997-09-02),
7. 5585306 - Methods for producing compound semiconductor devices (1996-12-17),
8. 5571748 - Methods for producing compound semiconductor devices (1996-11-05),
9. 5115443 - Semiconductor laser apparatus (1992-05-19),
10. 4971415 - Multibeam emitting device (1990-11-20),
11. 4932033 - Semiconductor laser having a lateral p-n junction utilizing inclined (1990-06-05),
12. 4829534 - Semiconductor laser device having a semiconductor region for creating a (1989-05-09),
13. 4799229 - Semiconductor laser array (1989-01-17),
14. 4796067 - Semiconductor device having a superlattice structure (1989-01-03),
15. 4794611 - Semiconductor laser having superlattice structure (1988-12-27),

Title: Innovations of Seiichi Miyazawa

Introduction

Seiichi Miyazawa is a prominent inventor based in Zama, Japan. He has made significant contributions to the field of electrophotography and imaging technology. With a total of 17 patents to his name, his work has had a substantial impact on the industry.

Latest Patents

Miyazawa's latest patents include a process cartridge and an electrophotographic apparatus. The process cartridge features an electrophotographic photosensitive member that includes a first support and a photosensitive layer, along with a charging member. In this photosensitive member, when an electric current is measured while a voltage is applied to its surface, the gradients of low and high electric field regions satisfy a specific ratio in a graph. The charging member consists of a second support with an electroconductive outer surface and a second electroconductive layer that includes a matrix with dispersed domains. Notably, the volume resistivity of the matrix is significantly higher than that of the domains.

Another notable patent is an image sensor that comprises a waveguide structure and an imaging apparatus. This image sensor includes a pixel array with multiple pixels, each containing a photoelectric conversion unit and a waveguide structure. The waveguide structure is designed to guide light to the photoelectric conversion unit, ensuring optimal performance in capturing images.

Career Highlights

Miyazawa is currently associated with Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to innovate and develop advanced technologies that enhance the capabilities of imaging devices.

Collaborations

Throughout his career, Miyazawa has collaborated with notable colleagues, including Hidetoshi Nojiri and Toshitami Hara. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Seiichi Miyazawa's contributions to the field of imaging and electrophotography are noteworthy. His innovative patents and work at Canon have significantly influenced the industry. His dedication to advancing technology continues to inspire future innovations.

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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