Company Filing History:

10 out of 1,866

Kuraray Co., Ltd.

patents

2 out of 314

Taisho Pharmaceutical Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1980-1999

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5912193 - Thermoplastic polyurethanes and molded articles comprising them (1999-06-15),

2. 5780573 - Thermoplastic polyurethanes and molded articles comprising them (1998-07-14),

3. 5688890 - Thermoplastic polyurethane composition (1997-11-18),

4. 5606005 - Polyurethane and molded article comprising the same (1997-02-25),

5. 5310852 - Elastic polyurethane fiber (1994-05-10),

6. 5070172 - Process for producing polyurethane (1991-12-03),

7. 4639471 - Process for producing polyester polyurethane (1987-01-27),

8. 4436939 - Process for producing 1-(p-prenylphenyl)ethanol (1984-03-13),

9. 4433160 - Process for producing .alpha.-arylalkanoic acid ester (1984-02-21),

10. 4336202 - 1,3-Cyclohexanedione derivatives (1982-06-22),

11. 4215230 - Production of ionones and irones by thermal rearrangement of propargylic (1980-07-29),

Title: Michihiro Ishiguro: Innovator in Thermoplastic Polyurethanes

Introduction

Michihiro Ishiguro is a prominent inventor based in Kurashiki, Japan. He has made significant contributions to the field of thermoplastic polyurethanes, holding a total of 11 patents. His work has advanced the understanding and application of these materials in various industries.

Latest Patents

One of his latest patents focuses on thermoplastic polyurethanes and molded articles comprising them. This invention discloses thermoplastic polyurethanes that can be obtained by reacting a polyester-polyol that meets specific criteria. These criteria include an ester group content ranging from 0.08 to 0.17, hydroxyl groups of 2.01 to 2.08 per molecule, a number average molecular weight between 1000 and 7000, and a crystallization enthalpy of 70 J/g or less. The reaction also involves an organic diisocyanate and a chain extender, following a defined numerical formula.

Career Highlights

Throughout his career, Michihiro Ishiguro has worked with notable companies such as Kuraray Co., Ltd. and Taisho Pharmaceutical Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer science and innovation.

Collaborations

Ishiguro has collaborated with esteemed colleagues, including Koji Hirai and Kimio Nakayama. These partnerships have contributed to the development of advanced materials and technologies in the field.

Conclusion

Michihiro Ishiguro's contributions to thermoplastic polyurethanes exemplify his innovative spirit and dedication to advancing material science. His patents and collaborations continue to influence the industry and inspire future innovations.

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