Company Filing History:

11 out of 16,042

Fujifilm Corporation

patents

10 out of 16,458

Fuji Photo Film Company, Limited

patents

Years Active: 1998-2021

where 'Filed Patents' based on already Granted Patents

21 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 11208596 - Optical film, polarizing plate, and image display device (2021-12-28),

2. 11072741 - Optically anisotropic layer, method for producing the optically anisotropic layer, a laminate, polarizing plate, display device, liquid crystal compound, method for producing the liquid crystal compound, and carboxylic acid compound (2021-07-27),

3. 10782567 - Optical film, polarizing plate, image display device, polymerizable compound, and method for manufacturing 1,4-cyclohexanedicarboxylic acid monoaryl ester (2020-09-22),

4. 10689575 - Optical film, polarizing plate, and image display device (2020-06-23),

5. 10428042 - Compound useful for manufacturing salacinol, method for manufacturing the compound, method for manufacturing salacinol, methods for protecting and deprotecting diol group, and protective agent for diol group (2019-10-01),

6. 10059877 - Optically anisotropic layer, method for producing the optically anisotropic layer, a laminate, polarizing plate, display device, liquid crystal compound, method for producing the liquid crystal compound, and carboxylic acid compound (2018-08-28),

7. 10059686 - Compound useful for manufacturing salacinol, method for manufacturing the compound, method for manufacturing salacinol, methods for protecting and deprotecting diol group, and protective agent for diol group (2018-08-28),

8. 9815812 - Thiopyranose compound and method for producing same (2017-11-14),

9. 9802913 - Compound useful for manufacturing salacinol, method for manufacturing the compound, method for manufacturing salacinol, methods for protecting and deprotecting diol group, and protective agent for diol group (2017-10-31),

10. 8240838 - Ink composition for inkjet recording, inkjet recording method, and printed material (2012-08-14),

11. 8187704 - Optical film, polarizing plate and image display device (2012-05-29),

12. 7196194 - Dye-forming coupler, silver halide photographic light-sensitive material and azomethine dye compound (2007-03-27),

13. 6727053 - Dye-forming coupler, silver halide photographic light-sensitive material and azomethine dye compound (2004-04-27),

14. 6495304 - Color-developing agent, silver halide photographic light-sensitive material and image-forming method (2002-12-17),

15. 6368780 - Silver halide photographic material and image formation method (2002-04-09),

Title: Taiji Katsumata: Innovator in Optical Technologies

Introduction

Taiji Katsumata is a prominent inventor based in Kanagawa, Japan, credited with 21 patents throughout his career. His innovative work primarily focuses on optical technologies, specifically in the development of optical films and polarizing plates, which are integral to modern image display devices.

Latest Patents

Katsumata's latest patents include advancements in optical films, polarizing plates, and image display devices. One notable invention provides an optical film with an optically anisotropic layer that demonstrates exceptional durability. The optical film consists of a layer formed by polymerizing a liquid crystal composition, which includes specific liquid crystal compounds and polymerization initiators, with the advantage of an extrapolated glass transition starting temperature of 70°C or higher. Furthermore, his work addresses the production methods for the optically anisotropic layer and the liquid crystal compounds, paving the way for improved display technologies.

Career Highlights

Throughout his career, Taiji Katsumata has worked at prestigious companies such as Fujifilm Corporation and Fuji Photo Film Company, Limited. His experience in these organizations has allowed him to contribute significantly to the field of optical technology and refine his inventiveness in optical films and related devices.

Collaborations

Katsumata has collaborated with notable colleagues like Kiyoshi Takeuchi and Keita Takahashi. These collaborations have further enriched his work, combining their expertise to drive innovations in optical materials and applications in display technologies.

Conclusion

In summary, Taiji Katsumata's contributions to optical technologies through his numerous patents and collaborations have marked him as a leading figure in the innovation landscape. His commitment to enhancing optical performance in image display devices continues to inspire advancements in the field.

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6 patents (EPO):

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3 patents pending (EPO):

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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.