IDiyas

For the Inventor, By the Inventor

Hino, Japan

Sadatugu Terada

USPTO Granted Patents = 16

Average Co-Inventor Count = 4.9

ph-index = 6

Forward Citations = 108(Granted Patents)


Location History:

  • Hino, JA (1976)
  • Hachoiji, JP (1979)
  • Hachioji, JP (1978 - 1984)
  • Hino, JP (1979 - 1985)

Company Filing History:

goldMedal16 out of 1,252 
 
Konishiroku Photo Industry Co., Ltd.
 patents
silverMedal1 out of 10 
 
Hokuetsu Paper Mills, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1976-1985

Loading Chart...
16 patents (USPTO):Explore Patents
1. 4507378 - Method for the production of toner for electrophotography and the toner (1985-03-26),
2. 4486559 - Toner composition for the development of electrostatic latent images and (1984-12-04),
3. 4450221 - Encapsulated lyophilic magnetic particle and resin toner (1984-05-22),
4. 4448871 - Toner for developing an electrostatically charged image and (1984-05-15),
5. 4415644 - Electrostatic image developing toner and a method for the production (1983-11-15),
6. 4353979 - Light-sensitive silver halide photographic materials (1982-10-12),
7. 4272601 - Coated developer carrier for electrophotography (1981-06-09),
8. 4242444 - Process for the preparation of light-sensitive silver halide (1980-12-30),
9. 4200465 - Antistatic light-sensitive silver halide photographic element (1980-04-29),
10. 4192683 - Photographic light-sensitive material (1980-03-11),
11. 4154615 - Color diffusion transfer unit with polymeric quaternary nitrogen mordant (1979-05-15),
12. 4149890 - Diffusion transfer photographic material with fluorine containing (1979-04-17),
13. 4142899 - Color diffusion transfer photographic unit (1979-03-06),
14. 4138257 - Process for the treatment of photographic materials (1979-02-06),
15. 4118231 - Light-sensitive silver halide photographic materials containing (1978-10-03),

Title: The Innovations of Sadatugu Terada

Introduction

Sadatugu Terada is a notable inventor based in Hino, Japan. He has made significant contributions to the field of electrophotography, holding a total of 16 patents. His work has advanced the technology used in toner production, which is essential for printing and imaging processes.

Latest Patents

Among his latest patents, Terada has developed a method for the production of toner for electrophotography. This invention involves polymerizing an aqueous suspension of a monomer in the presence of a dispersant, which is selected from orthophosphate, pyrophosphate, and polyphosphate, along with a colorant and an anionic surfactant. The polymerization product is treated with dilute acid and rinsed with water to remove the dispersant from the final product. Additionally, he has created a toner composition for the development of electrostatic latent images, which includes a polymer obtained by polymerizing a polymerizable monomer in the presence of a chlorinated polyolefin.

Career Highlights

Throughout his career, Terada has worked with prominent companies such as Konishiroku Photo Industry Co., Ltd. and Hokuetsu Paper Mills, Ltd. His experience in these organizations has allowed him to refine his expertise in toner technology and electrophotography.

Collaborations

Some of his notable coworkers include Masao Ishihara and Kiyoshi Tamaki. Their collaboration has contributed to the innovative advancements in the field of imaging technology.

Conclusion

Sadatugu Terada's contributions to toner production and electrophotography have made a lasting impact on the industry. His innovative patents and collaborations with esteemed colleagues highlight his dedication to advancing technology in this field.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…