Company Filing History:
Years Active: 1993-1994
Title: **Innovator Shoichi Sugaya: Pioneering Advances in PTC Device Technology**
Introduction
Shoichi Sugaya, a distinguished inventor based in Tokyo, Japan, has made significant contributions to the field of PTC (Positive Temperature Coefficient) device technology. With two patents to his name, Sugaya is recognized for his innovative approaches that enhance the performance and miniaturization of electrical components.
Latest Patents
Sugaya's latest patents focus on advanced PTC devices that display low volume resistivity and excellent PTC characteristics. His first patent describes a PTC element that incorporates conductive carbonaceous particles, such as thermal black or mesocarbon microparticles, which have a large particle size and small specific surface area. The innovative process involves heat treating these particles in an inactive atmosphere, blending them with a crystalline polymer, and cross-linking through gamma radiation. In a variant form, the process allows for chemically grafting the polymer onto the particles, resulting in a device well-suited for miniaturization due to its low resistivity and superior characteristics.
In his second patent, Sugaya details a method for producing PTC self-resetting overcurrent protection elements utilizing two different crystalline polymers in conjunction with an organic peroxide and carbon black. The creation of this mixture, through kneading at elevated temperatures, ensures a high degree of grafting and uniform distribution of carbon black within a three-dimensional matrix. This innovative method reduces localized heating and assists in minimizing resistance changes, enhancing the durability of electrical devices under varying current conditions.
Career Highlights
Shoichi Sugaya is employed at Daito Communication Apparatus Co., Ltd., where he applies his inventive prowess to develop cutting-edge communication technologies. His focused work on PTC devices exemplifies his dedication to enhancing product safety and efficacy in electrical applications. His patents symbolize not just personal achievement, but also the progressive strides made within his company’s technological advancements.
Collaborations
Throughout his career, Sugaya has collaborated closely with notable colleagues, including Kumakazu Ohkita and Akira Ueno. Their collective expertise and innovative spirit have fostered an environment where significant breakthroughs in device technology continue to flourish.
Conclusion
Shoichi Sugaya stands out as a proactive inventor committed to advancing PTC device technologies. His innovative patents signify an important contribution to electrical components, making them safer and more efficient through unique engineering solutions. As technology evolves, Sugaya's work will surely pave the way for future advancements in the field.