Location History:
- Yokohama, JA (1978)
- Tokyo, JP (1984 - 1991)
Company Filing History:
2 out of 5 
2 out of 2 
1 out of 22 
Years Active: 1978-1991
Title: The Innovations of Sumiyuki Ishigami
Introduction
Sumiyuki Ishigami is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of temperature measurement and quartz technology. With a total of 4 patents, Ishigami's work reflects his dedication to advancing technological solutions.
Latest Patents
One of Ishigami's latest patents is a temperature measurement device. This device features a temperature sensing element that includes a quartz resonator with a quartz oscillating crystal. The crystal's width-to-thickness ratio is between 9.48 and 9.69. The device is designed to measure temperatures ranging from normal room temperature to extremely low temperatures, specifically down to 4 K. Another significant patent is a quartz unit that allows for automatic manufacturing. This quartz unit consists of a quartz vibrator and a pair of opposed terminal metal fittings. These fittings are designed in a Y shape and support the quartz vibrator. The unit is sealed within a container made of front and rear halves, ensuring durability and efficiency.
Career Highlights
Throughout his career, Ishigami has worked with prominent companies such as Tokyo Denpa Co., Ltd. and Tokyo Denpa Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in the field of technology and innovation.
Collaborations
Ishigami has collaborated with notable coworkers, including Mitsuru Sato and Kaoru Furusawa. Their joint efforts have likely enhanced the quality and impact of their inventions.
Conclusion
Sumiyuki Ishigami's contributions to technology, particularly in temperature measurement and quartz technology, showcase his innovative spirit. His patents reflect a commitment to advancing scientific understanding and practical applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.