Location History:
- Yokohama, JP (1995)
- Utsunomiya, JP (1997 - 2003)
- Shinagawa-ku, JP (2010)
- Tokyo, JP (2003 - 2015)
Company Filing History:
18 out of 613 
1 out of 10,264 
1 out of 832,880 Years Active: 1995-2015
Title: **Innovator Toshio Banba: Pioneering Advances in Semiconductor Technology**
Introduction
Toshio Banba, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of semiconductor technology. With an impressive portfolio of 20 patents, his innovations focus on enhancing the efficiency and functionality of semiconductor devices. Banba’s work has paved the way for advancements in various applications, particularly in the realm of photography and coating technologies.
Latest Patents
Among Banba's latest patents is a **positive photosensitive resin composition for spray coating** and a **method for producing a through electrode using the same**. This innovative method involves creating a semiconductor wafer that incorporates an integrated circuit. The process allows for the exposure of an electrode’s back surface through a strategically placed hole in the wafer. By applying a positive photosensitive resin composition, which has a viscosity of between 0.5 to 200 cP, a coating film is formed. This coating covers the inner surface of the hole, enabling patterned development through selective exposure to light. Another notable patent includes a **positive photosensitive resin composition** that comprises a polybenzoxazole precursor resin and photosensitive diazoquinone compounds, which are crucial for producing protective and insulating films in semiconductor devices and display elements.
Career Highlights
Toshio Banba has held impactful positions at leading companies in the semiconductor sector, including Sumitomo Bakelite Company Limited and Sumitomo Electric Industries, Limited. His expertise in material science and semiconductor processing has contributed to his recognition as a key inventor in the industry.
Collaborations
Throughout his career, Banba has collaborated with esteemed colleagues such as Takashi Hirano and Hiroaki Makabe. These partnerships have fostered a creative environment that has resulted in prolific patent filings and advancements in semiconductor technologies.
Conclusion
Toshio Banba’s contributions to the field of semiconductor technology reflect a deep commitment to innovation and excellence. His pioneering patents are not only a testament to his ingenuity but also serve as a foundation for future advancements in the industry. As technology continues to evolve, Banba’s work will undoubtedly play a critical role in shaping the future of semiconductor applications.