This inventor holds 3 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Const. Machinery Co.. Active years: 1978-1985.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Niihari, JP (1978)
- Ibaraki, JA (1978)
- Ibaraki, JP (1985)
Company Filing History:
3 out of 42,731 
1 out of 1 Years Active: 1978-1985
Title: Innovations of Takeshi Hachisu
Introduction
Takeshi Hachisu is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of engineering, particularly in the areas of quenching methods and plastic reprocessing. With a total of 3 patents to his name, Hachisu's work reflects a commitment to advancing technology and improving industrial processes.
Latest Patents
Hachisu's latest patents include a method and apparatus for quenching. This innovative quenching method involves spraying an object with a mixed spray jet of liquid and gas. The diameter of the droplets in the mixed spray jet ranges from 50 to 200 micrometers, and the mixing ratio between the liquid and gas is varied throughout the cooling process. The accompanying quenching apparatus features nozzles designed for this mixed spray application, with a liquid supply source and a gas supply source to ensure effective cooling.
Another significant patent by Hachisu is a process for reprocessing atactic polypropylene. This method allows for the reprocessing of plastic by-products by embrittling them at low temperatures, crushing them to a similar particle size as virgin plastic, and adding fine powder to enhance their properties. The reprocessed material can then be utilized effectively as a bulking filler for virgin plastic or for other applications.
Career Highlights
Throughout his career, Hachisu has worked with prominent companies such as Hitachi, Ltd. and Hitachi Construction Machinery Co. His experience in these organizations has contributed to his expertise and innovative capabilities in engineering and technology.
Collaborations
Hachisu has collaborated with notable coworkers, including Akinari Uchida and Nobuyoshi Hidao. These partnerships have likely fostered a creative environment that encourages the development of groundbreaking ideas and solutions.
Conclusion
Takeshi Hachisu's contributions to the fields of quenching methods and plastic reprocessing highlight his innovative spirit and dedication to advancing technology. His patents not only reflect his expertise but also have the potential to impact various industries positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile