Company Filing History:

9 out of 16,042

Fujifilm Corporation

patents

3 out of 16,458

Fuji Photo Film Company, Limited

patents

1 out of 159

Toyama Chemical Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 2004-2024

where 'Filed Patents' based on already Granted Patents

12 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 11898046 - Photopolymerization initiator and producing method thereof, polymerizable composition, ink jet recording method, and acylphosphine oxide compound (2024-02-13),

2. 10941307 - Photopolymerization initiator and producing method thereof, polymerizable composition, ink jet recording method, and acylphosphine oxide compound (2021-03-09),

3. 10570112 - Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same (2020-02-25),

4. 10093645 - Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same (2018-10-09),

5. 9475835 - Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl) cytosine, synthetic intermediate of thionucleoside, and method for producing the same (2016-10-25),

6. 9221865 - Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same (2015-12-29),

7. 9181203 - Substituted pyrazino[2,3-d]isooxazoles as intermediates for the synthesis of substituted pyrazinecarbonitriles and substituted pyrazinecarboxamides (2015-11-10),

8. 8901302 - Pyrazino[2,3-D]isoxazole derivative which is useful as a production intermediate of pyrazine carboxamide derivative (2014-12-02),

9. 7235357 - Method of reducing background in fluoresence detection (2007-06-26),

10. 7087744 - Fluorescent nucleotides and labeling methods using the same (2006-08-08),

11. 7067272 - Thin membrane for measuring protease activity (2006-06-27),

12. 6794509 - Compounds for fluorescence labeling (2004-09-21),

Title: Innovations of Kouki Nakamura

Introduction

Kouki Nakamura is a prominent inventor based in Ashigarakami-gun, Japan. He has made significant contributions to the field of photopolymerization, holding a total of 12 patents. His work has been influential in various applications, particularly in the areas of inkjet recording and polymerizable compositions.

Latest Patents

Nakamura's latest patents include a photopolymerization initiator and its producing method, a polymerizable composition, an inkjet recording method, and an acylphosphine oxide compound. The photopolymerization initiator is characterized by a structure where one or more carbonyl groups are directly bonded to an aromatic ring of an aromatic acyl group, which in turn is connected to a phosphorus atom in an acylphosphine oxide structure. The producing method effectively synthesizes this initiator, which is utilized in both polymerizable compositions and inkjet recording methods. Additionally, the acylphosphine oxide compound features a partial structure represented by specific formulas.

Career Highlights

Throughout his career, Kouki Nakamura has worked with notable companies such as Fujifilm Corporation and Fuji Photo Film Company, Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in photopolymerization.

Collaborations

Nakamura has collaborated with esteemed colleagues, including Katsuyuki Watanabe and Satoshi Shimamura. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Kouki Nakamura's contributions to the field of photopolymerization and his impressive portfolio of patents highlight his role as a leading inventor. His work continues to influence various industries, showcasing the importance of innovation in technology.

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3 patents (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.