Location History:
- Kanagawa, JP (2003)
- Odawara, JP (2005 - 2012)
Company Filing History:
2 out of 341 
1 out of 1,142 
1 out of 832,880 Years Active: 2003-2012
Title: Takehito Yagi: Innovator in Film Thickness Measurement and Illumination Systems
Introduction
Takehito Yagi is a notable inventor based in Odawara, Japan. He has made significant contributions to the fields of measurement devices and optical systems. With a total of 4 patents to his name, Yagi's work reflects a commitment to advancing technology in practical applications.
Latest Patents
Yagi's latest patents include a film thickness measurement device and method. This innovative device measures the film thickness of an oil film formed in a gap between a piston ring and an electrode. It does this by detecting the electrostatic capacitance across the gap. The device employs an electrostatic capacitance detection portion that charges the capacitance by supplying a constant current to the electrode. It detects changes in the charging voltage and outputs a detection signal indicating the electrostatic capacitance. Additionally, a film thickness computation portion calculates the oil film thickness based on the detected electrostatic capacitance.
Another significant patent is for an illumination optical system and laser processor. This system boasts superior image formation capabilities and can radiate a linear beam with excellent illumination uniformity. The illumination optical system includes an afocal beam expander system, a linear beam-forming lens system, a lens array section, and a condenser optical system. Together, these components work to illuminate a processed face by reconnecting images of the linear beam from each of the element lenses.
Career Highlights
Throughout his career, Takehito Yagi has worked with prominent companies, including Ishikawajima-Harima Heavy Industries Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Yagi has collaborated with notable individuals in his field, including Miyuki Masaki and Norihito Kawaguchi. These partnerships have likely enriched his work and led to further advancements in his projects.
Conclusion
Takehito Yagi's contributions to the fields of film thickness measurement and illumination systems demonstrate his innovative spirit and technical expertise. His patents reflect a dedication to improving technology for practical applications.