Location History:
- Fujisawa, JP (2004 - 2014)
- Yokohama, JP (2015)
Company Filing History:
4 out of 42,517 
2 out of 2,636 
1 out of 1,207 
Years Active: 2004-2015
Title: Naotoshi Akamatsu: Innovator in Electron Spin Resonance and Mass Spectrometry
Introduction
Naotoshi Akamatsu is a prominent inventor based in Fujisawa, Japan. He has made significant contributions to the fields of electron spin resonance and mass spectrometry. With a total of 7 patents to his name, Akamatsu's work has advanced the understanding and application of these technologies.
Latest Patents
One of Akamatsu's latest patents is a sample holder for electricity-detection electron spin resonance devices. This innovative sample holder structure reduces current noise derived from electromagnetic induction in electricity-detection electron spin resonance spectroscopy. The holder is made from materials such as FR-4 resin, alumina, glass, or Teflon. It features four wiring leads with a three-layer structure composed of nickel, gold, and resist layers. The sample holder is designed in the shape of the letter T, with a gold pad for affixing samples, enhancing the efficiency of the device.
Another notable patent is related to a mass spectrometer and mass spectrometry method. This invention is tailored for the mass spectrometry of hardly volatile organic foreign matter, which can cause device defects. The method involves gasifying a sample using a heating probe and introducing it into an ion source for detection based on mass-to-charge ratios. The design includes a cylindrical gas guide mechanism that efficiently directs the gasified sample to the ion source, resulting in higher sensitivity and signal-to-noise ratios compared to previous methods.
Career Highlights
Throughout his career, Naotoshi Akamatsu has worked with notable companies such as Hitachi, Ltd. and Hitachi Global Storage Technologies Netherlands B.V. His experience in these organizations has contributed to his expertise in developing advanced technologies in his field.
Collaborations
Akamatsu has collaborated with esteemed colleagues, including Kazuhiko Horikoshi and Toshiaki Ohtani. These partnerships have fostered innovation and the sharing of knowledge in their respective areas of expertise.
Conclusion
Naotoshi Akamatsu's contributions to electron spin resonance and mass spectrometry demonstrate his commitment to advancing technology. His innovative patents and collaborations highlight his role as a leading inventor in these fields.