Company Filing History:

15 out of 193

Tokyo Gas Company Limited

Three Bond Unicom Co., Ltd.

Nisshinbo Industries, Inc.

patents

where one patent can have more than one assignee

Years Active: 1995-1999

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5993581 - Adhesive composition for bonding a lining tube on to the internal (1999-11-30),

2. 5983948 - Method of repairing an existing pipeline including a main pipe and a (1999-11-16),

3. 5899636 - Reversible lining tube for repairing an existing pipeline (1999-05-04),

4. 5888302 - Suction system for use in a method of lining the internal surface of a (1999-03-30),

5. 5873390 - Methods of lining the internal surface of a pipe (1999-02-23),

6. 5855712 - Method of repairing an existing pipe (1999-01-05),

7. 5853629 - Method of lining the internal surface of a pipe (1998-12-29),

8. 5740838 - Methods of lining the internal surface of a pipe (1998-04-21),

9. 5716672 - Methods of lining the internal surface of a pipe (1998-02-10),

10. 5700405 - Method of lining the internal surface of a pipe (1997-12-23),

11. 5667841 - Methods of lining the internal surface of a pipe (1997-09-16),

12. 5632818 - Liquid injection apparatus for use in a method of lining the internal (1997-05-27),

13. 5609186 - Methods of lining the internal surface of a pipe (1997-03-11),

14. 5590689 - Method for lining the internal surface of a pipe (1997-01-07),

15. 5447664 - Method of lining an inner surface of a pipe (1995-09-05),

Title: Masaaki Itagaki: Innovator in Pipeline Repair Technologies

Introduction

Masaaki Itagaki is a prominent inventor based in Kanagawa-ken, Japan. He has made significant contributions to the field of pipeline repair technologies, holding a total of 15 patents. His innovative approaches have paved the way for more efficient and effective methods in the industry.

Latest Patents

One of Itagaki's latest patents is an adhesive composition designed for bonding a flexible lining tube to the internal surface of an existing old pipe. This adhesive composition consists of an epoxy resin, a thixotropy agent primarily containing silica fine particles, a lubricant made of spheroidal fine particles, and a curing agent compatible with the thixotropy agent. The components are separated before use and mixed to create the adhesive composition. Another notable patent involves a method for repairing an existing pipeline that includes both a main pipe and a branch pipe. This method utilizes lining pigs and resin to form a lining layer on the internal surfaces of both pipes, ensuring a robust repair.

Career Highlights

Throughout his career, Itagaki has worked with notable companies such as Tokyo Gas Company Limited and Threebond Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions for pipeline repair.

Collaborations

Masaaki Itagaki has collaborated with esteemed colleagues, including Shigeru Toyoda and Shuichi Yagi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.

Conclusion

Masaaki Itagaki's contributions to pipeline repair technologies through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in solving practical challenges.

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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.