Location History:
- Hyogo, JP (2007)
- Tokyo, JP (2009)
Company Filing History:
2 out of 3,781 
1 out of 27,375 
1 out of 91 Years Active: 2007-2009
Title: Masahiko Higashi: Innovator in Semiconductor Manufacturing
Introduction: Masahiko Higashi is a prominent inventor located in Hyogo, Japan, known for his contributions to the field of semiconductor technology. With a total of two patents to his name, Higashi has made significant strides in improving semiconductor manufacturing processes, showcasing his expertise and innovative spirit.
Latest Patents: Higashi's latest patents reflect his dedication to advancing semiconductor device technology. The first patent, titled "Semiconductor Device Manufacturing Method," introduces a novel approach where a metal film, essential for forming a gate electrode, is deposited on a gate insulating film. This method simplifies the processing of the metal film by utilizing a wet etching process with a specific chemical liquid for selective removal.
The second patent, "Cleaning Composition for Removing Resists and Method of Manufacturing Semiconductor Device," presents a cleaning composition that enhances the efficiency of removing resist and etching residues. This composition consists of a salt of hydrofluoric acid combined with a non-metal base, an organic solvent, at least one organic or inorganic acid, water, and optionally, an ammonium salt. The improved formulation not only aids in the copper interconnecting process but also enhances corrosion resistance for copper and insulating films during semiconductor device fabrication.
Career Highlights: Throughout his career, Masahiko Higashi has worked with notable companies, including Renesas Technology Corporation and Matsushita Electric Industrial Co., Ltd. His experiences in these esteemed organizations have equipped him with valuable insights and knowledge that he has channeled into his innovative endeavors in semiconductor manufacturing.
Collaborations: Over the years, Higashi has collaborated with esteemed colleagues such as Itaru Kanno and Yasuhiro Asaoka. These collaborations have fostered a creative exchange of ideas and have contributed to the successful implementation of his inventive concepts in the semiconductor industry.
Conclusion: Masahiko Higashi stands out as a noteworthy inventor in the semiconductor field, pushing the boundaries of technology through his patents and collaborations. His contributions not only enhance the manufacturing processes but also reflect a commitment to innovation that continues to impact the semiconductor industry positively.