Location History:
- Saitama, JP (2005)
- Kawagoe, JP (2003 - 2008)
Company Filing History:
3 out of 631 
1 out of 27,375 
Years Active: 2003-2008
Title: Minoru Ishihara: Innovator in Piezoelectric Technology
Introduction
Minoru Ishihara is a notable inventor based in Kawagoe, Japan. He has made significant contributions to the field of piezoelectric technology, holding a total of 4 patents. His work focuses on improving the performance and durability of piezoelectric vibrators and crystal vibrators.
Latest Patents
Ishihara's latest patents include a piezoelectric vibrator that features a tuning fork design. This innovative vibrator is equipped with vibrating arms that enhance shock resistance while maintaining a low CI value. The design incorporates a first groove and a second groove that extend along the vibrating arm's length, with specific ratios set to optimize performance. Another significant patent is for a tuning fork-type crystal vibrator, which boasts improved CI and shock resistance. This device includes a tuning fork-shaped crystal element with grooves and a base portion, processed through etching to achieve its unique shape.
Career Highlights
Throughout his career, Ishihara has worked with prominent companies such as Nihon Dempa Kogyo Co., Ltd. and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced piezoelectric devices.
Collaborations
Ishihara has collaborated with notable coworkers, including Kozo Ono and Shingo Kawanishi. Their combined efforts have furthered the advancements in piezoelectric technology.
Conclusion
Minoru Ishihara's contributions to piezoelectric technology through his innovative patents and collaborations highlight his importance in the field. His work continues to influence the development of advanced vibrators and crystal devices.