This inventor holds 7 USPTO granted patents. Top assignees: Citizen Watch Company, Ltd., Citizen Holdings Company, Ltd., Citizen Finetech Miyota Co., Ltd. Active years: 1994-2013.
Location History:
- Saitama-ken, JP (1998)
- Nishitokyo, JP (2006 - 2009)
- Hanno, JP (2011)
- Saitama, JP (1994 - 2013)
Company Filing History:
4 out of 2,004 
3 out of 450 
1 out of 17 Years Active: 1994-2013
Title: Keisuke Kigawa: Innovator in Piezoelectric Devices
Introduction
Keisuke Kigawa is a notable inventor based in Nishitokyo, Japan. He has made significant contributions to the field of piezoelectric devices, holding a total of 7 patents. His innovative designs focus on improving the efficiency and functionality of electronic components.
Latest Patents
One of Kigawa's latest patents is for a package structure of a piezoelectric device that mounts and supports a piezoelectric vibration element. This design features a piezoelectric vibration element with two stick-like vibration legs and a central leg, which enhances insulation and reduces the risk of short-circuits. Another significant patent involves a method of manufacturing sealed electronic components, which allows for high-vacuum sealing while preventing gas enclosure, thus improving manufacturing efficiency.
Career Highlights
Throughout his career, Kigawa has worked with prominent companies such as Citizen Watch Company, Ltd. and Citizen Holdings Company, Ltd. His work has been instrumental in advancing the technology behind electronic components, particularly in the realm of piezoelectric devices.
Collaborations
Kigawa has collaborated with notable colleagues, including Hisato Hiraishi and Tomoo Ikeda. Their combined expertise has contributed to the successful development of innovative technologies in the field.
Conclusion
Keisuke Kigawa's contributions to the field of piezoelectric devices and sealed electronic components highlight his role as a leading inventor. His patents reflect a commitment to innovation and efficiency in technology.