Company Filing History:

10 out of 1,252

Konishiroku Photo Industry Co., Ltd.

Sekisui Chemical Co., Ltd.

patents

4. 1 out of 377

Japan Synthetic Rubber Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1984-1992

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5143809 - Color toner (1992-09-01),

2. 4968574 - Toner for electrophotography (1990-11-06),

3. 4960664 - Developer composition for developing electrostatic image and toner image (1990-10-02),

4. 4693952 - Toner for developing electrostatic latent image (1987-09-15),

5. 4657837 - Toner for developing an electrostatically charged image (1987-04-14),

6. 4585723 - Developer for electrostatic latent image and method of forming image (1986-04-29),

7. 4579802 - Method of fixing toner image (1986-04-01),

8. 4572885 - Developer composition for developing an electrostatic image (1986-02-25),

9. 4564573 - Electrostatic image forming toner (1986-01-14),

10. 4514487 - Method for manufacturing toner for electrophotography (1985-04-30),

11. 4473628 - Toner for developing of electrostatic latent image (1984-09-25),

Title: The Innovative Contributions of Takahira Kasuya

Introduction

Takahira Kasuya is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of toner technology, holding a total of 11 patents. His work focuses on improving the quality and performance of color toners used in various applications.

Latest Patents

One of his latest patents involves a color toner that boasts excellent fixability, improved antioffset properties, and superior transparency for images fixed on OHP sheets. This innovative toner comprises 100 parts by weight of a polyester resin, along with a zinc complex of an aromatic oxycarboxylic acid and a colorant. Another notable patent pertains to toners for electrophotography, where the main resin component consists of both lower and higher molecular weight polymers. The higher molecular weight polymer has a glass transition point of at least 50 degrees Celsius, while the lower molecular weight polymer has a glass transition point no higher than 65 degrees Celsius.

Career Highlights

Throughout his career, Takahira Kasuya has worked with notable companies such as Konishiroku Photo Industry Co., Ltd. and Konica Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in toner technology.

Collaborations

He has collaborated with talented individuals in the industry, including Goichi Yamakawa and Hideaki Morita. These partnerships have contributed to the advancement of his inventions and the overall progress in toner technology.

Conclusion

Takahira Kasuya's contributions to the field of toner technology are noteworthy and impactful. His innovative patents and collaborations highlight his dedication to improving the quality of color toners. His work continues to influence the industry and inspire future innovations.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.