Location History:
- Tanashi, JA (1977 - 1978)
- Tanashi, JP (1979 - 1980)
- Yatabemachi, JP (1986)
Company Filing History:
3 out of 1,037 
2 out of 12 
1 out of 348 Years Active: 1977-1986
Title: Hiroshi Tateno: Innovator in Superconducting Devices
Introduction
Hiroshi Tateno is a notable inventor based in Tanashi, Japan. He has made significant contributions to the field of superconducting devices, holding a total of 5 patents. His work focuses on advanced technologies that enhance the performance and efficiency of electronic components.
Latest Patents
One of Tateno's latest patents is the "Quasiparticle Injection Control Type Superconducting Device." This innovative device includes a Josephson junction element formed of a pair of superconductors joined together, with a weak link part intervening between them. A third electrode is provided on the weak link part, allowing for the control of the Josephson junction's characteristics by injecting quasiparticles into the third electrode.
Another significant patent is related to "Negative Resistance Element Circuit Combinations." This invention prevents the occurrence of high field domains in conventional Gunn diodes by partially or wholly covering a semiconductor element with a dielectric member or a control element, such as a metallic layer. This results in a solid-state element with negative differential conductivity, which can be applied in amplifiers, oscillators, and logic memories in millimeter or submillimeter bands.
Career Highlights
Throughout his career, Hiroshi Tateno has worked with esteemed organizations, including the Agency of Industrial Science and Technology and Kogyo Gijutsuin. His experience in these institutions has contributed to his expertise in superconducting technologies and solid-state devices.
Collaborations
Tateno has collaborated with notable colleagues, including Shoei Kataoka and Yasuo Komamiya. Their joint efforts have further advanced the research and development of innovative electronic components.
Conclusion
Hiroshi Tateno's contributions to the field of superconducting devices and his innovative patents highlight his role as a leading inventor in Japan. His work continues to influence advancements in electronic technologies.