Company Filing History:

12 out of 16,458

Fuji Photo Film Company, Limited

Years Active: 1976-2007

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7264344 - Electrostatic inkjet ink composition (2007-09-04),

2. 7135506 - Oil based ink composition for inkjet printer and method of forming image using the same (2006-11-14),

3. 7008744 - Oil based ink composition for inkjet printer (2006-03-07),

4. 5308730 - Liquid developer for electrostatic photography (1994-05-03),

5. 5254425 - Self-dispersing colorant, liquid developing agent for electrostatic (1993-10-19),

6. 5219687 - Electrophotographic lithographic printing plate precursor and edge face (1993-06-15),

7. 5085967 - Wet-type electrostatic photographic transferring method (1992-02-04),

8. 5085966 - Non-aqueous dispersing agent and liquid developing agent for (1992-02-04),

9. 5055370 - Image forming resin particles for liquid developer for printing plate (1991-10-08),

10. 4966825 - Method for producing electrophotographic liquid developer (1990-10-30),

11. 4965163 - Liquid developer for electrostatic image (1990-10-23),

12. 4120805 - Electrophotograhic liquid developer containing negatively charged toner (1978-10-17),

13. 3975199 - Silver halide photographic emulsion (1976-08-17),

Title: Yutaka Sakasai: Innovator in Inkjet Technology

Introduction

Yutaka Sakasai is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of inkjet technology, holding a total of 13 patents. His innovative work has paved the way for advancements in ink compositions and printing methods.

Latest Patents

Among his latest patents is an electrostatic inkjet ink composition. This composition includes a non-aqueous solvent with a dielectric constant ranging from 1.5 to 20 and a surface tension at 25°C between 15 to 60 mN/m. It also features a color material that is insoluble in the non-aqueous solvent and a charge control agent that is soluble in the solvent. The charge control agent contains a half-aside maleic acid copolymer with specific repeating units. Another notable patent is for an oil-based ink composition for inkjet printers. This composition comprises a coloring agent and a binder resin in a non-aqueous dispersion medium, where the binder resin includes a block copolymer with a repeating unit corresponding to a monofunctional monomer.

Career Highlights

Yutaka Sakasai has worked with notable companies such as Fuji Photo Film Company, Limited and Fujifilm Corporation. His experience in these organizations has contributed to his expertise in developing innovative inkjet technologies.

Collaborations

Throughout his career, Sakasai has collaborated with esteemed colleagues, including Nobuo Suzuki and Seiji Horie. These partnerships have further enhanced his contributions to the field.

Conclusion

Yutaka Sakasai's work in inkjet technology exemplifies innovation and creativity. His patents and collaborations reflect his commitment to advancing the industry.

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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.