Company Filing History:

20 out of 1,252

Konishiroku Photo Industry Co., Ltd.

patents

1 out of 613

Sankyo Company, Limited

patents

where one patent can have more than one assignee

Years Active: 1976-1986

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4623604 - Triboelectric stabilized toner for developing electrically charged (1986-11-18),

2. 4585723 - Developer for electrostatic latent image and method of forming image (1986-04-29),

3. 4572885 - Developer composition for developing an electrostatic image (1986-02-25),

4. 4507378 - Method for the production of toner for electrophotography and the toner (1985-03-26),

5. 4486559 - Toner composition for the development of electrostatic latent images and (1984-12-04),

6. 4448871 - Toner for developing an electrostatically charged image and (1984-05-15),

7. 4424266 - Layered electrophotographic photosensitive element having hydrazone (1984-01-03),

8. 4415644 - Electrostatic image developing toner and a method for the production (1983-11-15),

9. 4410615 - Layered electrophotographic photosensitive element having hydrazone (1983-10-18),

10. 4368258 - Process for preparing impregnated polymer latex compositions (1983-01-11),

11. 4358533 - Silver halide photographic material (1982-11-09),

12. 4264721 - Color photographic materials (1981-04-28),

13. 4142897 - Gelatino silver halide photographic material hardened with a reaction (1979-03-06),

14. 4108848 - Method for hardening gelatin (1978-08-22),

15. 4088495 - Silver halide photographic element containing a gelatinous layer (1978-05-09),

Title: Tsuneo Wada: Innovator in Electrostatic Imaging Technologies

Introduction: Tsuneo Wada is a prominent inventor based in Hino, Japan, known for his significant contributions to the field of electrostatic imaging technologies. With a remarkable portfolio of 20 patents, Wada's innovations have advanced the way electrostatic images are developed, particularly in the area of toners.

Latest Patents: Among Wada's notable patents is a "Triboelectric stabilized toner for developing electrically charged," which involves a complex formulation of nuclear particles, hydrophobic silica, and a specific resin. This invention not only enhances the stability of toners but also improves the quality of electrostatically charged images. Additionally, he holds a patent for a "Developer for electrostatic latent image and method of forming image." This invention incorporates colored electroscopic particles alongside a carefully treated silicon dioxide powder, enhancing the effectiveness of the development process while ensuring compatibility with various organic compounds.

Career Highlights: Tsuneo Wada has demonstrated exceptional expertise throughout his career, working with reputable companies such as Konishiroku Photo Industry Co., Ltd. and Sankyo Company, Limited. His work at these organizations has positioned him as a key figure in the development of imaging technologies, driving innovations that leverage both chemistry and engineering principles.

Collaborations: Wada has collaborated with notable professionals in his field, including Teiji Habu and Takashi Sasaki. Their collective efforts have contributed to advancing imaging systems and enhancing the functionality of electrostatic development technologies.

Conclusion: Tsuneo Wada's contributions to innovations in electrostatic imaging are evident through his multiple patents and collaborations. His work continues to influence the field, paving the way for future advancements in toner technology and image development processes. With a solid foundation and ongoing dedication to innovation, Wada remains a significant figure in the realm of patentable inventions.

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