IDiyas

For the Inventor, By the Inventor

Yokohama, Japan

Seiichi Takagi

USPTO Granted Patents = 17

Average Co-Inventor Count = 3.6

ph-index = 8

Forward Citations = 233(Granted Patents)


Location History:

  • Tokyo, JP (1984 - 1986)
  • Yokohama, JP (1987 - 1995)

Company Filing History:

goldMedal17 out of 90,594 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1984-1995

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17 patents (USPTO):Explore Patents
1. 5422215 - Magnetic toner (1995-06-06),
2. 5333059 - Electrostatic imaging apparatus and facsimile apparatus employing toner (1994-07-26),
3. 5321091 - Binder resin used in a toner (1994-06-14),
4. 5310812 - Binder resin for a toner for developing electrostatic images, and (1994-05-10),
5. 5219947 - Binder resin for a toner for developing electrostatic images, and (1993-06-15),
6. 5143810 - Magnetic toner for developing electrostatic image (1992-09-01),
7. 5126224 - Electrostatic image developing toner and process for its production, and (1992-06-30),
8. 5112714 - Dry magnetic electrostatic developer (1992-05-12),
9. 4966829 - Toner for developing electrostatic images, binder therefor and process (1990-10-30),
10. 4939060 - Magnetic toner for developing electrostatic images (1990-07-03),
11. 4824752 - Electrophotographic magnetic dry developer containing cerium oxide and (1989-04-25),
12. 4803142 - Containing magnetic particles having a bulk resistivity of at most 10.sup.4 (1989-02-07),
13. 4702986 - Electrophotographic method uses toner of polyalkylene and non-magnetic (1987-10-27),
14. 4609607 - Magnetic toner and process for producing the same (1986-09-02),
15. 4592990 - Process for producing toner (1986-06-03),

Title: Seiichi Takagi: Innovator in Magnetic Toner Technology

Introduction

Seiichi Takagi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of magnetic toner technology, holding a total of 17 patents. His work has been instrumental in advancing the capabilities of electrostatic imaging and facsimile apparatuses.

Latest Patents

Takagi's latest patents include innovations in magnetic toner formulations. One notable patent describes a magnetic toner that comprises a binder resin and a magnetic material. This toner features a volume average particle diameter of not more than 9 micrometers, with a specific variation coefficient of particle size distribution. Another significant patent focuses on a toner designed for developing electrostatic images. This toner includes a binder resin and a coloring agent, with the binder resin being a styrene type. The invention emphasizes the importance of minimizing the amount of aldehyde in the binder resin to enhance performance.

Career Highlights

Seiichi Takagi has dedicated his career to research and development in the field of imaging technologies. He is currently associated with Canon Kabushiki Kaisha, a leading company in imaging and printing solutions. His innovative work has not only contributed to the company's success but has also set new standards in the industry.

Collaborations

Throughout his career, Takagi has collaborated with notable colleagues, including Eiichi Imai and Satoshi Yasuda. These collaborations have fostered a creative environment that has led to groundbreaking advancements in toner technology.

Conclusion

Seiichi Takagi's contributions to magnetic toner technology have had a lasting impact on the imaging industry. His innovative patents and collaborative efforts continue to drive advancements in electrostatic imaging solutions.

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