Company Filing History:
15 out of 36,499 
1 out of 1,600 
1 out of 19,697 
Years Active: 2007-2022
Title: The Innovations of Takeshi Hashizume
Introduction
Takeshi Hashizume is a prominent inventor based in Mishima, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 16 patents. His innovative designs and manufacturing methods have advanced engine technology and improved performance.
Latest Patents
Among his latest patents is a piston for internal combustion engines, which features a top surface made of porous alumina. This piston design includes a first region that connects to the outer periphery of the top surface and a second region that is adjacent to the first. The porous alumina in the second region is thinner than that in the first region. The manufacturing method involves preparing a casting piston made of aluminum alloy, removing the casting surface in the first region, and performing anodization to form porous alumina on both regions. Another notable patent is for a compressed self-ignition type internal combustion engine. This engine includes a fuel injection nozzle with a nozzle hole that injects fuel into the combustion chamber and a hollow duct that allows the fuel spray to pass from the inlet to the outlet, optimizing fuel efficiency and combustion.
Career Highlights
Takeshi Hashizume has worked with notable companies such as Toyota Motor Corporation and Nippon Soken, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.
Collaborations
He has collaborated with talented individuals in the field, including Noriyuki Takada and Tomoyuki Kogo. Their combined expertise has contributed to the success of various projects and patents.
Conclusion
Takeshi Hashizume's work in the field of internal combustion engines showcases his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving engine performance and efficiency, making him a significant figure in the world of inventions.
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.