Kiyoshi Tsutsui

Title: Kiyoshi Tsutsui: Innovator in Polymer Science and Biotechnology

Introduction

Kiyoshi Tsutsui is a prominent inventor based in Osaka, Japan. He has made significant contributions to the fields of polymer science and biotechnology. With a total of five patents to his name, Tsutsui's work has had a considerable impact on various industries.

Latest Patents

One of Tsutsui's latest patents is a reinforced polypropylene resin composition. This composition includes components (A), (B), and (C) in specific weight percentages. Component (A) is a crystalline ethylene-propylene block copolymer with defined characteristics. Component (B) consists of elastomers selected from hydrogenated block copolymer rubbers and ethylene-alpha-olefin copolymer rubbers. Component (C) is talc with specific particle size and surface area measurements. Another notable patent involves a method for preparing foreign protein in yeast using recombinant DNA. This method utilizes DNA encoding the serum albumin signal peptide adjacent to DNA encoding the foreign protein.

Career Highlights

Throughout his career, Kiyoshi Tsutsui has worked with notable companies such as Ube Industries, Inc. and Toyota Jidosha Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing innovative materials and methods.

Collaborations

Tsutsui has collaborated with several professionals in his field, including Tomohiko Akagawa and Ikunori Sakai. These collaborations have further enhanced his research and development efforts.

Conclusion

Kiyoshi Tsutsui is a distinguished inventor whose work in polymer science and biotechnology continues to influence various sectors. His innovative patents and collaborations reflect his commitment to advancing technology and improving materials.