Company Filing History:
3 out of 4 
1 out of 3,325 
1 out of 1,256 Years Active: 1986-2016
Title: Innovations of Shoichi Hiwasa
Introduction
Shoichi Hiwasa is a notable inventor based in Kurashiki, Japan. He has made significant contributions to the field of materials science, particularly in the development of boron nitride powders. With a total of 4 patents to his name, Hiwasa's work focuses on enhancing the properties of materials for various applications.
Latest Patents
One of Hiwasa's latest patents is for a hydrophilic and highly oil absorbent boron nitride powder. This innovative cosmetic boron nitride powder includes flat-shaped primary particles of BN and aggregates of these particles. It boasts a water permeation speed of not less than 1 mm/s and an oil absorption capacity ranging from 100 ml/100 g to 500 ml/100 g. The use of this boron nitride powder significantly improves the gloss finish and transparency of cosmetics, providing a bare skin feeling while enhancing sustainability.
Another notable patent involves sintered spherical BN particles. These particles are formed from aggregated primary BN particles, with at least 50% of them having a recess on their surface. The sintered spherical BN particles exhibit excellent heat dissipation properties and high compressive strength, making them ideal for use as a filling material in polymer composite materials. This innovation helps prevent conduction failure that could arise from the exfoliation of copper foil.
Career Highlights
Throughout his career, Shoichi Hiwasa has worked with prominent companies such as Mizushima Ferroalloy Co., Ltd. and Kawasaki Jukogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in material development and innovation.
Collaborations
Hiwasa has collaborated with notable coworkers, including Takahisa Koshida and Taisei Gohara. Their joint efforts have further advanced the research and development of boron nitride materials.
Conclusion
Shoichi Hiwasa's contributions to the field of materials science, particularly through his innovative patents, have made a significant impact. His work continues to influence the development of advanced materials for various applications.