Location History:
- Hatano, JP (1992 - 2001)
- Hadano, JP (1986 - 2002)
Company Filing History:
19 out of 42,485 
1 out of 162 Years Active: 1986-2002
Title: **Mitugu Shirai: Pioneering Innovations in Electronic Circuit Technology**
Introduction
Mitugu Shirai, an accomplished inventor based in Hadano, Japan, holds an impressive portfolio of 19 patents. His innovative work primarily focuses on advanced techniques in the fabrication and enhancement of electronic circuit devices. His contributions have significantly influenced the field of electronics, particularly in methods involving soldering and surface reformation.
Latest Patents
Among his latest patents is a **Surface Reformation Method of High Polymer Material**. This invention reveals a technique where an excimer-laser beam is irradiated onto a predetermined area of a substrate that has a high polymer layer. This process enhances the wettability of the liquid used for temporarily immobilizing electronic parts, thereby facilitating improved soldering durability through fluxless reflow soldering.
Another noteworthy patent is the **Method of Fabricating an Electronic Circuit Device and Apparatus for Performing the Method**. This innovative approach involves the alignment of electronic circuit devices in an oxidizing atmosphere after cleaning their surfaces. The solder material is melted in a non-oxidizing atmosphere to bond the members effectively. Various cleaning methods, such as sputter-cleaning, laser cleaning, mechanical polishing, or cutting, are utilized to ensure optimal results.
Career Highlights
Mitugu Shirai has made significant strides in his career by working with prestigious companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience within these organizations has provided him with a strong foundation in the electronics industry, allowing him to develop and patent essential technologies.
Collaborations
Throughout his career, Shirai has collaborated with esteemed colleagues, including Ryohei Satoh and Hideaki Sasaki. Their joint efforts have contributed to the advancement of electronic circuit technologies and have fostered innovation in their respective fields.
Conclusion
Mitugu Shirai's dedication to innovation and his impressive track record of patents highlight his role as a key contributor to the electronics sector. His groundbreaking methods and technologies continue to influence the way electronic circuit devices are manufactured and enhanced, showcasing the importance of his work in shaping the future of electronics.
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.