Company Filing History:

9 out of 789

Toyo Boseki Kabushiki Kaisha

patents

1 out of 25,530

Sharp Kabushiki Kaisha Corporation

Years Active: 1977-1998

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5714618 - Polymer containing lactic acid as its constituting unit and method for (1998-02-03),

2. 5681656 - Polyamide-imide fibers for a bag filter (1997-10-28),

3. 5618911 - Polymer containing lactic acid as its constituting unit and method for (1997-04-08),

4. 5124204 - Thin film electroluminescent (EL) panel (1992-06-23),

5. 5049435 - Flexible sheet reinforced with poly(aromatic amide) non-woven fabric and (1991-09-17),

6. 4897301 - Flexible sheet reinforced with poly(aromatic amide) non-woven fabric and (1990-01-30),

7. 4578166 - Process of actinic irradiation of shaped polyester imide containing (1986-03-25),

8. 4245086 - Production of N-hydroxyalkyltrimellitic acid imides polymers (1981-01-13),

9. 4140677 - Shaped article of polymers prepared from (1979-02-20),

10. 4065439 - Copolyester and process for the production thereof (1977-12-27),

11. 4009312 - Heat-adhesive film laminate (1977-02-22),

Title: Keiichi Uno: Innovator in Polymer and Fiber Technology

Introduction

Keiichi Uno is a prominent inventor based in Ohtsu, Japan, known for his significant contributions to polymer and fiber technology. With a total of 11 patents to his name, Uno has made remarkable advancements in materials science, particularly in the development of innovative polymers and fibers.

Latest Patents

Uno's latest patents include a polymer containing lactic acid as its constituting unit and a method for producing a polymer with a blocked terminal group. This polymer is represented by a specific formula where R is an alkylene group containing 1 to 20 carbon atoms, X1 is an acyl group containing 2 to 50 carbon atoms, and Y can be hydrogen, an alkyl group, or an alkenyl group. Additionally, he has developed polyamide-imide fibers for bag filters, which are produced by reacting an isocyanate component, including 4,4'-diphenylmethane diisocyanate, with an acid anhydride component.

Career Highlights

Throughout his career, Keiichi Uno has worked with notable companies such as Toyo Boseki and Sharp Corporation. His work in these organizations has allowed him to apply his innovative ideas and contribute to the advancement of material technologies.

Collaborations

Uno has collaborated with several professionals in his field, including Kunio Kimura and Takeshi Ito. These collaborations have further enriched his work and led to the development of groundbreaking technologies.

Conclusion

Keiichi Uno's contributions to polymer and fiber technology have established him as a key figure in the field. His innovative patents and collaborations reflect his commitment to advancing material science and engineering.

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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.