Location History:
- Aichi, JP (1989 - 1992)
- Aichi-ken, JP (1996)
Company Filing History:
4 out of 3,252 
1 out of 2,630 
1 out of 128 
Years Active: 1989-1996
Title: Tokuo Shirai: Innovator in Extrusion Technology
Introduction
Tokuo Shirai is a notable inventor based in Aichi, Japan, recognized for his contributions to the field of extrusion technology. With a total of four patents to his name, Shirai has made significant advancements that enhance the efficiency and effectiveness of manufacturing processes.
Latest Patents
Shirai's latest patents include a die for the extrusion of multi-hole tubes and a method for cold plastic working using an aqueous lubrication treatment liquid. The multi-hole tube extrusion die features a female mold die with a flat opening and a mandrel equipped with comb-teeth-like molding portions. This innovative design allows for the extrusion of a tube with multiple holes, improving the accuracy and longevity of the die. The aqueous lubrication treatment liquid comprises a solid lubricant, surfactant, colloidal titanium compound, and optional additives, providing excellent lubrication and rust prevention for metallic materials during cold plastic working.
Career Highlights
Throughout his career, Tokuo Shirai has worked with prominent companies such as Nippondenso Co., Ltd. and The Furukawa Electric Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions in the manufacturing sector.
Collaborations
Shirai has collaborated with notable coworkers, including Toshihiro Imai and Ken Yamamoto, who have also contributed to advancements in their respective fields.
Conclusion
Tokuo Shirai's innovative work in extrusion technology and cold plastic working has made a lasting impact on the manufacturing industry. His patents reflect a commitment to enhancing production processes and improving material performance.
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.