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For the Inventor, By the Inventor

Numazu, Japan

Tetsuya Toshine

This inventor holds 25 USPTO granted patents and 1 published patent application and 4 EPO patents, primarily in Electrophotographic Imaging. Top assignees: Ricoh Company, Ltd., Dai Nippon Printing Co., Ltd.. Active years: 2002-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Toshine. Retrieved from https://idiyas.com/inventor/tetsuya-toshine

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

USPTO Granted Patents = 25 

% Patents Active = 40.0

 

Average Co-Inventor Count = 3.7

ph-index = 5

Forward Citations = 62(Granted Patents)


Location History:

  • Tokyo-To, JP (2002)
  • Tokyo, JP (2003 - 2006)
  • Shinjuku-Ku, JP (2006)
  • Kashiwa, JP (2009)
  • Numazu, JP (2006 - 2012)
  • Shizuoka, JP (2012 - 2023)

Company Filing History:

goldMedal16 out of 28,951 
 
Ricoh Company, Ltd.
 patents
silverMedal9 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents

Years Active: 2002-2023

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Areas of Expertise:
Electrophotographic Photoconductor
Image Forming Apparatus
Process Cartridge
Hologram Transfer Film
Volume Hologram Layer
Magnetic Card
Counterfeit-Proof Hologram
Hologram Transfer Foil
Image Bearing Member
Photoreceptor Preparation
Multilayer Hologram
Image Forming Method
25 patents (USPTO):Explore Patents
1. 11575095 - Photoelectric conversion device, process cartridge, and image forming apparatus (2023-02-07),
2. 10466604 - Electrophotographic photoconductor, image forming apparatus, and process cartridge (2019-11-05),
3. 9298113 - Electrophotographic photoconductor, image forming apparatus, and process cartridge (2016-03-29),
4. 9170558 - Image forming apparatus and process cartridge including a cleaning blade which includes a cured composition (2015-10-27),
5. 9122183 - Electrophotographic photoreceptor, image forming apparatus and process cartridge (2015-09-01),
6. 9037067 - Image forming apparatus and process cartridge (2015-05-19),
7. 8867960 - Image forming apparatus and process cartridge (2014-10-21),
8. 8652717 - Image bearing member and image forming method, image forming apparatus, and process cartridge using the same (2014-02-18),
9. 8263300 - Electrophotographic photoconductor, image forming apparatus, and process cartridge (2012-09-11),
10. 8129082 - Electrophotographic photoreceptor, image forming method using electrophotographic photoreceptor, image forming apparatus, and process cartridge for image forming apparatus (2012-03-06),
11. 7914959 - Image bearing member, image forming method, and image forming apparatus (2011-03-29),
12. 7855040 - Method for preparing photoreceptor, photoreceptor prepared by the method, and image forming method and apparatus and process cartridge using the photoreceptor (2010-12-21),
13. 7851119 - Electrophotographic photoconductor, method for producing the same, image forming process, image forming apparatus and process cartridge (2010-12-14),
14. 7838188 - Electrophotographic photoconductor, image forming method, image forming apparatus, and process cartridge (2010-11-23),
15. 7718335 - Image bearing member, and image forming apparatus and process cartridge using the same (2010-05-18),

Title: Tetsuya Toshine: Innovator in Photoelectric Devices

Introduction

Tetsuya Toshine is a prominent inventor based in Numazu, Japan, acclaimed for his significant contributions to the field of photoelectric conversion devices. With a total of 25 patents to his name, Toshine's work has greatly influenced the technology surrounding image formation and photoconductive materials.

Latest Patents

Among his most recent innovations are three notable patents. The first, a photoelectric conversion device, introduces a sophisticated design that includes a support, a charge-transporting layer made from an organic charge-transporting material or a sensitizing dye electrode layer featuring an organic sensitizing dye, capped with a ceramic film. This advanced structure aims to enhance the efficiency and effectiveness of photoelectric conversion.

The second patent pertains to an electrophotographic photoconductor, which consists of a conductive support, an undercoat layer, and a photoconductive layer. This invention is distinct due to its undercoat layer, which incorporates metal oxide particles and a salicylic acid derivative, ensuring optimal resistive properties essential for high-performance imaging applications.

Lastly, he also developed an image forming apparatus and a process cartridge that work cohesively within these technological advancements.

Career Highlights

Tetsuya Toshine has had an illustrious career, contributing his expertise to well-known companies such as Ricoh Company, Ltd. and Dai Nippon Printing Co., Ltd. His work has significantly advanced technologies in the imaging sector, particularly in the development of efficient and reliable photoelectric devices.

Collaborations

Throughout his career, Toshine has collaborated with esteemed colleagues, including Kenji Ueda and Hiroshi Ikuno. These partnerships have fostered an environment of innovation, further enhancing the capabilities and application of their inventions in the industry.

Conclusion

Tetsuya Toshine exemplifies the spirit of innovation through his impressive portfolio of patents and collaborative efforts in the field of photoelectric technology. His continual advancements not only address current market needs but also pave the way for future developments in imaging 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]
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