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For the Inventor, By the Inventor

Omiya, Japan

Shigenori Otsuka

USPTO Granted Patents = 16

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 338(Granted Patents)


Location History:

  • Yokohama, JP (1980)
  • Tokyo, JP (1981 - 1983)
  • Omiya, JP (1987 - 1994)
  • Saitama, JP (1994)

Company Filing History:

goldMedal9 out of 499 
 
Mitsubishi Kasei Corporation
 patents
silverMedal7 out of 614 
 
Mitsubishi Chemical Industries Limited
 patents

Years Active: 1980-1994

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16 patents (USPTO):Explore Patents
1. 5360691 - Carrier for developing electrostatic latent images, developer, and (1994-11-01),
2. 5334856 - Image readout element with oxytitanium phthalocyanine (1994-08-02),
3. 5247226 - Organic electroluminescent device (1993-09-21),
4. 5173384 - Electrophotographic photoreceptor (1992-12-22),
5. 5130222 - Electrophotographic photoreceptor and use in repeated copying (1992-07-14),
6. 5120627 - Electrophotographic photoreceptor having a dip coated charge transport (1992-06-09),
7. 5102759 - Electrophotographic photoreceptor (1992-04-07),
8. 5045421 - Electrophotographic photoreceptor comprising metal complex charge (1991-09-03),
9. 5001027 - Electrophotographic apparatus and method (1991-03-19),
10. 4752549 - Electrophotographic photoreceptor having a protective layer (1988-06-21),
11. 4725519 - Dual layer electrophotographic photoreceptor comprises titanium (1988-02-16),
12. 4664997 - Crystalline oxytitanium phthalocyanine and photoreceptor for use in (1987-05-12),
13. 4407919 - Electrophotographic plate (1983-10-04),
14. 4367273 - Electrophotographic plate comprising a conductive substrate and a (1983-01-04),
15. 4278747 - Electrophotographic plate comprising a conductive substrate and a (1981-07-14),

Title: Biography of Shigenori Otsuka

Introduction

Shigenori Otsuka is a prominent inventor based in Omiya, Japan. He has made significant contributions to the field of electrostatics and imaging technology. With a total of 16 patents to his name, Otsuka has demonstrated a strong commitment to innovation and development.

Latest Patents

Among his latest patents is a carrier for developing electrostatic latent images. This invention comprises a core material coated with a resin that contains a copolymer of vinylidene chloride and other monomers. Additionally, he has developed an image readout element utilizing oxytitanium phthalocyanine as a charge generation material. This device is designed to convert images into electrical signals effectively.

Career Highlights

Otsuka has had a distinguished career, working with notable companies such as Mitsubishi Kasei Corporation and Mitsubishi Chemical Industries Limited. His work has significantly impacted the development of electrophotographic technologies.

Collaborations

Throughout his career, Otsuka has collaborated with esteemed colleagues, including Tetsuo Murayama and Mamoru Nozomi. These partnerships have fostered innovation and advancement in their respective fields.

Conclusion

Shigenori Otsuka's contributions to technology and innovation are noteworthy. His patents reflect a deep understanding of electrostatics and imaging, positioning him as a key figure in

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