Location History:
- Shimodate, JP (1997 - 2009)
- Chikusei, JP (2010)
Company Filing History:
6 out of 1,641 
2 out of 42,508 
Years Active: 1997-2010
Title: The Innovative Contributions of Kazuhisa Otsuka
Introduction
Kazuhisa Otsuka, a notable inventor based in Shimodate, Japan, has made significant contributions to the field of materials science and electronics through his innovative patents. With a total of seven patents to his name, Otsuka's work draws from a blend of deep technical understanding and practical application, particularly in the development of advanced insulation materials and multilayer wiring boards.
Latest Patents
Among his latest patents, Otsuka has focused on the development of an insulation material that achieves a dielectric constant of 10 or more, incorporating a specialized filler that possesses a dielectric constant of 50 or more. This innovative material includes a unique particle size distribution featuring two distinct peaks, alongside an insulating resin. Furthermore, his patents also detail methods for manufacturing multilayer wiring boards that exhibit excellent moldability and stability in capacitance variation. These advancements are pivotal for semiconductor devices and wireless electronic devices, where reliability and efficiency are critical.
Career Highlights
Throughout his career, Kazuhisa Otsuka has been associated with prominent companies such as Hitachi Chemical Company, Ltd. and Hitachi, Ltd.. His work within these organizations has allowed him to explore and develop cutting-edge technologies that continue to impact the electronics industry broadly.
Collaborations
Otsuka has collaborated with talented individuals in the field, including Kazunori Yamamoto and Yasushi Shimada. Their joint efforts have facilitated the successful execution of various projects, pushing the boundaries of what is possible in materials engineering.
Conclusion
Kazuhisa Otsuka's contributions to innovation and invention, particularly in the areas of insulation materials and electronic devices, are noteworthy. His extensive work and the patents he holds continue to influence advancements in technology, showcasing the vital role of inventors in shaping the future of electronics.