Company Filing History:

8 out of 167

Otsuka Chemical Co., Ltd.

patents

3 out of 138

Otsuka Kagaku Kabushiki Kaisha

patents

1 out of 311

Kurita Water Industries Ltd.

patents

where one patent can have more than one assignee

Years Active: 1989-2005

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6946578 - Process for producing phenoxyphosphazene compound, flame-retardant resin composition, and flame-retardant resin molding (2005-09-20),

2. 6905768 - Epoxy resin composition and electronic part (2005-06-14),

3. 6632891 - Flame-retardant resin, composition thereof, and process for producing the same (2003-10-14),

4. 6627122 - Powdery flame retardant (2003-09-30),

5. 6521689 - Flame-retardant aromatic polyamide resin composition and molded object (2003-02-18),

6. 6518336 - Flame-retardent resin compositions compring thermoplastic resin, thermotropic liquid crystal polymer, and hoalogen-free phosphazen compound (2003-02-11),

7. 6281313 - 2,2′BIS(6-Benzotriazolylphenol) compound, ultraviolet ray absorber comprising the compound, copolymer containing the compound and polymer composition containing the compound (2001-08-28),

8. 6084104 - 2,2'-Bis(6-benzotriazolylphenol) compound, ultraviolet ray absorber (2000-07-04),

9. 5922882 - Bisbenzotriazolylphenol compound (1999-07-13),

10. 5708181 - Spiropyran compound (1998-01-13),

11. 4877535 - Iron dispersant for boiler water (1989-10-31),

Title: The Innovative Contributions of Shinji Nakano

Introduction

Shinji Nakano is a prominent inventor based in Tokushima, Japan. He has made significant contributions to the field of chemical engineering, particularly in the development of flame-retardant materials. With a total of 11 patents to his name, Nakano's work has had a substantial impact on various industries.

Latest Patents

Among his latest patents, Nakano has developed a process for producing phenoxyphosphazene compounds, flame-retardant resin compositions, and flame-retardant resin moldings. His innovative process involves treating a phenoxyphosphazene compound with specific adsorbents and reagents to reduce the acid value to lower than 0.025 mgKOH/g. Additionally, his epoxy resin composition includes a crosslinked phenoxyphosphazene compound and an inorganic filler powder, ensuring that the final product is halogen-free and antimony-free while exhibiting excellent flame retardancy. This composition is particularly beneficial for encapsulating electronic parts, such as LSI and VLSI, providing outstanding heat resistance and moisture resistance.

Career Highlights

Shinji Nakano has worked with notable companies, including Otsuka Chemical Co., Ltd. and Otsuka Kagaku Kabushiki Kaisha. His experience in these organizations has allowed him to refine his expertise in chemical processes and material development.

Collaborations

Throughout his career, Nakano has collaborated with esteemed colleagues such as Yuji Tada and Tadao Yabuhara. These partnerships have contributed to the advancement of his research and innovations.

Conclusion

Shinji Nakano's contributions to the field of chemical engineering and his innovative patents have established him as a key figure in the development of flame-retardant materials. His work continues to influence various industries, showcasing the importance of innovation in enhancing product safety and performance.

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