Location History:
- Ibaraki, JP (2002 - 2007)
- Osaka, JP (2002 - 2017)
Company Filing History:
3 out of 27,375 
2 out of 336 
2 out of 16,453 
Years Active: 2002-2017
Title: Hisahiko Yoshida: Innovator in Semiconductor Technology
Introduction
Hisahiko Yoshida is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 8 patents. His work focuses on improving the reliability and performance of electronic devices.
Latest Patents
One of Hisahiko Yoshida's latest patents is related to a mounted structure and manufacturing method of a mounted structure. This invention addresses the issue of low connection strength when a first mounted substrate, which has a semiconductor element bonded by solder, is mounted on a second substrate using a solder with a low melting point. The patented mounted structure includes multiple bonding parts that connect the first mounted substrate to the second substrate, along with a reinforcing member surrounding the bonding parts. Each bonding part utilizes a second solder with a lower melting point than the first solder, ensuring a reliable connection while maintaining structural integrity.
Another notable patent involves an electronic device and its manufacturing method. This invention features a semiconductor device equipped with multiple bump electrodes, a mounting board, thermally expandable particles, and adhesive. The thermally expandable particles are strategically placed around the semiconductor device and the mounting board, enhancing the impact resistance of the soldered semiconductor device. Additionally, this design facilitates the removal of the semiconductor device from the mounting board when repairs are necessary.
Career Highlights
Hisahiko Yoshida has worked with several reputable companies throughout his career, including Matsushita Electric Industrial Co., Ltd. and Senju Metal Industry Co., Ltd. His experience in these organizations has allowed him to develop innovative solutions that address critical challenges in semiconductor technology.
Collaborations
Hisahiko Yoshida has collaborated with notable colleagues in the field, including Masahiko Hirata and Toshihiko Taguchi. These partnerships have contributed to the advancement of technology and the successful development of various inventions.
Conclusion
Hisahiko Yoshida's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His innovative solutions continue to impact the electronics industry positively.