Location History:
- Yokohamaa, JP (2013)
- Tokyo-to, JP (2014)
- Yokohama, JP (2010 - 2021)
- Kanagawa, JP (2014 - 2023)
- Tokyo, JP (2023)
Company Filing History:
8 out of 19 
5 out of 28,584 
1 out of 164 
Years Active: 2010-2025
Title: Innovator Spotlight: Naoki Shiraishi from Kanagawa, Japan
Introduction: Naoki Shiraishi is a notable inventor based in Kanagawa, Japan, holding an impressive total of 14 patents. His innovative contributions primarily focus on advanced technologies in particle manufacturing and pharmaceutical compositions.
Latest Patents: Among his latest inventions are two significant patents. The first is a method for producing porous particles, which are characterized by specific aerodynamic diameters that must comply with the expression: y≥2x, where x represents the mass median aerodynamic diameter and y represents the volume average particle diameter. Additionally, these porous particles must have a relative span factor (R.S.F) in the range of 0<(R.S.F)≤1.5. The second patent outlines a discharge device along with a particle manufacturing apparatus, which incorporates a liquid feed-discharger. This discharge device features a feed unit designed to feed liquid and a discharge unit with strategically placed holes for efficient liquid discharge. It is notable that the ratio (X/Y) of the maximum cross-sectional area X (mm) to the minimum cross-sectional area Y (mm) in a direction orthogonal to the axial direction of the liquid feed-discharger ranges from 1 to 5.
Career Highlights: Naoki has made significant advancements in the field during his career at reputable companies, most notably at DNP Fine Chemicals Co., Ltd. and Ricoh Company, Ltd. His work in these organizations has facilitated further innovations in particle technology and manufacturing processes.
Collaborations: Throughout his career, Naoki Shiraishi has had the opportunity to collaborate with talented professionals in the industry, including Fumie Yamazaki and Yukio Sugita. These partnerships have been instrumental in driving forward the research and development of new technologies.
Conclusion: With 14 patents to his name, Naoki Shiraishi stands out as a remarkable figure in the field of innovation and invention. His contributions to the understanding and production of porous particles and advanced discharge devices not only enhance technological capabilities but also pave the way for future innovations in pharmaceuticals and chemicals.