Company Filing History:

29 out of 698

Kanegafuchi Kagaku Kogyo Kabushiki Kaisha

patents

7 out of 109

Kanegafuchi Chemical Industry Co., Ltd.

Years Active: 1979-2001

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37 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6303728 - Hydrosilylation process and polymers produced by the process (2001-10-16),

2. 5811501 - Process for producing unsaturated group-terminated isobutylene polymer (1998-09-22),

3. 5777037 - Process for producing isobutylene polymer (1998-07-07),

4. 5728791 - Polyvinyl graft-polymers and manufacturing method thereof (1998-03-17),

5. 5652276 - Foaming resin composition, plastic foam formed from the composition, and (1997-07-29),

6. 5580925 - Curable organic polymers containing hydrosilyl groups (1996-12-03),

7. 5567833 - Curing agent, preparation thereof and curable composition comprising the (1996-10-22),

8. 5449734 - Curable composition (1995-09-12),

9. 5409995 - Curing agent, preparation thereof and curable composition comprising the (1995-04-25),

10. 5294673 - Modified polyolefin polymer, its manufacturing method and resin (1994-03-15),

11. 5290873 - Isobutylene polymer having unsaturated group and preparation thereof (1994-03-01),

12. 5262502 - Isobutylene base polymer having functional group and process for (1993-11-16),

13. 5177173 - Heat-resting aromatic polyestersulfone and process for preparing the same (1993-01-05),

14. 5081224 - Process for production of olefin-terminated polyesters (1992-01-14),

15. 4981897 - Aromatic polyester film containing orthophosphate powder (1991-01-01),

Title: Kazuya Yonezawa: A Pioneer in Polymer Innovations

Introduction

Kazuya Yonezawa is a prominent inventor based in Kobe, Japan, known for his significant contributions to the field of polymer chemistry. With an impressive portfolio of 37 patents, he has dedicated his career to developing innovative processes that enhance the production and sustainability of polymers.

Latest Patents

Yonezawa's latest patents reflect his commitment to creating environmentally friendly solutions. One of his notable inventions is the hydrosilylation process, which offers a novel halogen-free solvent system for producing isobutylene polymers. This process is designed to utilize a hydrocarbon solvent with a boiling point of not lower than 105 degrees Celsius and a melting point of not higher than -90 degrees Celsius. The invention addresses previous methodologies that relied on halogenated hydrocarbons, which have posed significant environmental risks. By utilizing a non-halogenated solvent system, his process not only reduces environmental impact but also allows for the easy removal of by-products, promoting the recycling of the solvent and lowering production costs.

Career Highlights

Throughout his career, Kazuya Yonezawa has been affiliated with reputable organizations in the chemical industry, including Kanegafuchi Chemical Industry Co., Ltd. His innovative work in polymer science has led to advancements that contribute to both efficiency and sustainability in chemical manufacturing processes.

Collaborations

Yonezawa's journey in the realm of invention has seen him collaborate with esteemed colleagues, including Yoshikuni Deguchi and Masahiro Asada. Together, they have worked on various projects that push the boundaries of current chemical processes and create efficient alternatives.

Conclusion

Kazuya Yonezawa's contributions to the field of polymer chemistry exemplify the spirit of innovation. His dedication to developing environmentally friendly production methods not only showcases his expertise but also positions him as a pivotal figure in the continuous advancement of sustainable practices in the chemical industry. With a strong portfolio of patents and collaborations, Yonezawa remains a leading inventor committed to shaping a better future through his work.

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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.