Location History:
- Turugashima-shi, Saitama-ken, JP (1998 - 2001)
- Annaka, JP (2003 - 2007)
- Nishishirakawa, JP (2012)
- Isesaki, JP (2013)
- Gunma, JP (1995 - 2014)
- Oizumi-Machi, JP (2014)
- Gunma-ken, JP (2014)
- Fukushima, JP (2016)
Company Filing History:
6 out of 1,099 
4 out of 3,590 
1 out of 306 Years Active: 1995-2016
Title: The Innovations of Takeshi Arai
Introduction
Takeshi Arai is a prominent inventor based in Gunma, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 13 patents. His work focuses on improving the efficiency and cleanliness of vapor phase growth apparatuses, which are crucial in semiconductor manufacturing.
Latest Patents
Among his latest patents, Arai has developed a method for measuring the contamination amount of vapor phase growth apparatuses. This innovative method involves a vapor etching step that cleans the inside of the chamber using HCl gas, followed by an annealing step for silicon wafers in a non-oxidizing atmosphere. After repeating these steps a prescribed number of times, contaminants are collected from the wafer surfaces, and the Mo concentration is measured using ICP-MS. This method allows for high sensitivity in evaluating the cleanliness of vapor phase growth apparatuses. Another notable patent is a selection circuit with a digital filter for voice coil motors, which enhances the control of actuator drive currents.
Career Highlights
Takeshi Arai has worked with notable companies in the semiconductor industry, including Shin-Etsu Handotai Co., Ltd. and Semiconductor Components Industries, LLC. His experience in these organizations has allowed him to refine his skills and contribute to advancements in semiconductor technology.
Collaborations
Throughout his career, Arai has collaborated with esteemed colleagues such as Tadaaki Honma and Akira Suzuki. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Takeshi Arai's contributions to the field of semiconductor technology through his patents and collaborations highlight his role as a significant inventor. His innovative methods for measuring contamination and improving manufacturing processes continue to impact the industry positively.
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.