Location History:
- Tsuchiura, JP (2007 - 2010)
- Ishioka, JP (1997 - 2013)
- Ushiku, JP (2013 - 2015)
- Tokyo, JP (2016 - 2022)
Company Filing History:
14 out of 42,508 
14 out of 2,874 
3 out of 1,134 
Years Active: 1997-2024
Title: Innovations by Yoshihiro Nagaoka
Introduction
Yoshihiro Nagaoka, an accomplished inventor based in Ishioka, Japan, has contributed significantly to the field of engineering with an impressive portfolio of 33 patents. His innovations primarily focus on advancements in liquid chromatographs and bubble elimination technologies, showcasing his ability to address complex challenges in fluid dynamics.
Latest Patents
Among Nagaoka's latest patents is the "Flow Passage Switching Valve and Liquid Chromatograph Having the Same." This invention describes a liquid chromatograph designed to have a long-life flow passage switching valve that minimizes abrasion between the stator and rotor parts. The innovative design integrates a stator with specific flow passages that connect with a rotor seal, optimizing performance and durability.
Another notable invention is the "Bubble Eliminating Structure, Bubble Eliminating Method, and Agitating Method Using the Same." This patent introduces a mechanism for effectively eliminating bubbles from liquids through agitation. The method involves a carefully structured flow process using upstream and downstream bubble eliminating grooves that operate in a sequential manner, significantly enhancing liquid clarity.
Career Highlights
Throughout his career, Yoshihiro Nagaoka has been associated with leading companies such as Hitachi, Ltd. and Hitachi High-Technologies Corporation. His expertise and innovative spirit have been instrumental in developing state-of-the-art technologies that serve various industrial applications. Nagaoka's career reflects his commitment to advancing technology through practical and impactful inventions.
Collaborations
Nagaoka has collaborated with esteemed colleagues, including Sadashi Tanaka and Yoshiharu Ueyama. This collaboration has fostered an environment of creativity and innovation, leading to the successful development of numerous patents that contribute to advancements in their respective fields.
Conclusion
Yoshihiro Nagaoka stands as a prominent figure in the realm of innovation, with a remarkable track record of inventions that continue to benefit the scientific and industrial communities. His contributions reflect a deep understanding of engineering challenges and practical solutions, ensuring his place among notable inventors in today's technological landscape.