Takayuki Otsu

This inventor holds 8 USPTO granted patents. Top assignees: Nippon Oil Fats Co., Ltd., Hirosuke Kojima, Idemitsu Kosan Company, Limited. Active years: 1984-1994.

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 46(Granted Patents)

Company Filing History:

4 out of 297

Nippon Oil Fats Co., Ltd.

Idemitsu Kosan Company, Limited

patents

4. 1 out of 546

Mitsubishi Petrochemical Company Limited

patents

5. 1 out of 34,209

Seiko Epson Corporation

7. 1 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1984-1994

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5314962 - ABA type block copolymers (1994-05-24),

2. 5209847 - Ultrathin membrane of polymethacrylate or polycrotonate and device (1993-05-11),

3. 5104428 - Separation membrane (1992-04-14),

4. 5102957 - Novel block copolymer of styrene and ethylene (1992-04-07),

5. 4933406 - Contact lens article made of silicon- and fluorine-containing resin (1990-06-12),

6. 4855374 - Optical resin from diallyl esters (1989-08-08),

7. 4670520 - Method for modifying polyfumaric acid diester (1987-06-02),

8. 4477599 - Method of preparing a low density, nonflammable polyvinyl foam (1984-10-16),

Title: The Innovative Contributions of Takayuki Otsu

Introduction

Takayuki Otsu is a prominent inventor based in Nara, Japan. He has made significant contributions to the field of polymer chemistry, holding a total of 8 patents. His work focuses on the development of advanced materials, particularly in the area of block copolymers and ultrathin membranes.

Latest Patents

One of Otsu's latest patents involves the creation of ABA type block copolymers. This innovative process utilizes the photo-decomposition of specific compounds to produce a polymeric intermediate with dithiocarbamate groups at both ends. Subsequently, a hard polymer-forming monomer is polymerized to form blocks of a polymer on either side of the intermediate, resulting in a unique ABA type block copolymer. Another notable patent describes an ultrathin membrane made from polymethacrylate or polycrotonate. This membrane, with a thickness ranging from 10 to 1,000 angstroms, is created using either the spin coating method or the Langmuir-Blodgett method. The polycarboxylate used in this membrane contains recurrent units that are carefully designed to enhance its properties.

Career Highlights

Throughout his career, Takayuki Otsu has worked with several notable companies, including Nippon Oil Fats Co., Ltd. and Mitsubishi Petrochemical Company Limited. His experience in these organizations has allowed him to refine his expertise in polymer science and contribute to various innovative projects.

Collaborations

Otsu has collaborated with esteemed colleagues such as Naoyuki Amaya and Yoshishige Murata. These partnerships have fostered a collaborative environment that has led to the advancement of their research and development efforts.

Conclusion

Takayuki Otsu's contributions to polymer chemistry and his innovative patents highlight his role as a leading inventor in his field. His work continues to influence the development of advanced materials, showcasing the importance of innovation in science and technology.