Location History:
- Tokyo, JP (1998 - 2002)
- Konosu, JP (2000 - 2003)
- Saitama-ken, JP (2005)
Company Filing History:
4 out of 90 
3 out of 90,753 
1 out of 24 Years Active: 1998-2005
Title: The Innovations of Takahiro Yamakawa
Introduction
Takahiro Yamakawa is a notable inventor based in Saitama-ken, Japan. He has made significant contributions to the field of piezoelectric technology, holding a total of 7 patents. His work focuses on methods for producing stacked piezoelectric elements, which are essential in various applications.
Latest Patents
Yamakawa's latest patents include innovative methods for producing stacked piezoelectric elements. One method involves alternately stacking layers of electrode material and piezoelectric layers that have an electro-mechanical energy converting function. This process includes forming through holes in each piezoelectric layer and filling them with electrode material, ensuring a connection at the contact portion with the electrode material layer. The method also features a step of forming a second layer of electrode material by printing at the peripheral area of the contact portion between the first layer and the penetrating electrodes. Another similar method emphasizes screen printing to achieve the same results.
Career Highlights
Throughout his career, Yamakawa has worked with prominent companies such as Taiheiyo Cement Corporation and Canon Inc. His experience in these organizations has allowed him to refine his skills and contribute to advancements in technology.
Collaborations
Yamakawa has collaborated with notable colleagues, including Toru Ezaki and Yutaka Maruyama. Their combined expertise has fostered innovation in their respective fields.
Conclusion
Takahiro Yamakawa's contributions to piezoelectric technology through his patents and collaborations highlight his role as a significant inventor in the industry. His innovative methods continue to influence advancements in electro-mechanical energy conversion.