Company Filing History:
1 out of 1,139 
1 out of 36,713 
Years Active: 1986-2001
Title: Inventor Taketoshi Fujikawa
Introduction
Taketoshi Fujikawa is a notable inventor hailing from Aichi, Japan. With a total of two patents to his name, Fujikawa has made significant contributions in the fields of internal combustion engines and optical equipment. His innovative ideas exemplify the spirit of modern engineering and design.
Latest Patents
Fujikawa's most recent patent is for a **Direct fuel injection-type spark-ignition internal combustion engine**. This design features a spark plug, a fuel injector, and a specially formed cavity on the piston’s surface, enhancing efficiency in stratified charge combustion. The fuel injector directs fuel toward the cavity’s bottom wall, creating a precise flow toward the spark plug, which ultimately leads to improved combustion.
Another significant patent by Fujikawa is for an **Aspherical lens for use in optical equipment**. This lens consists of a transparent material and is designed to be rotationally symmetrical around a Z-axis in a three-dimensional coordinate system. It features one spherical surface and one aspherical surface, allowing a single lens to effectively diverge and converge parallel rays of light, which significantly enhances the performance of optical systems.
Career Highlights
Throughout his career, Fujikawa has worked with prominent companies, including Toyota Central R&D Labs, Inc. and Toyota Motor Corporation. His tenure at these institutions has enabled him to blend innovative thinking with hands-on engineering, leading to developed technologies that impact various industries.
Collaborations
Fujikawa has collaborated with talented individuals like Kazuhiro Kozuka and Tatsuo Kobayashi. Together, they have worked on advancements that highlight the importance of teamwork in innovation, fostering an environment where ideas can flourish and lead to groundbreaking results.
Conclusion
Taketoshi Fujikawa stands out as an influential figure in the world of invention. His patents reflect a commitment to advancing technology in both the automotive and optical fields. As a hardworking inventor, Fujikawa continues to inspire future generations of engineers and innovators.