This inventor holds 17 USPTO granted patents and 8 EPO patents. Top assignees: Mitsui Chemicals, Inc., Mitsu Chemicals, Inc., Nec Corporation. Active years: 1999-2025.
Location History:
- Kanagawa, JP (1999)
- Chiba, JP (2013)
- Sodegaura, JP (2015 - 2021)
- Tsukuba, JP (2013 - 2024)
Company Filing History:
14 out of 1,815 
1 out of 6 
1 out of 36,653 
Years Active: 1999-2025
Title: Hirofumi Tanaka: Innovator in Semiconductor Technology
Introduction
Hirofumi Tanaka is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 17 patents. His innovative work has paved the way for advancements in various applications within the semiconductor industry.
Latest Patents
Tanaka's latest patents include a novel tackifier solution designed to enhance solution stability. This invention aims to produce a pellicle with minimal tackifier residues and reduced outgas generation. The pellicle comprises a frame and a membrane, with a tackifier layer that contains a solidified resin composition. Additionally, he has developed a composition for forming films for semiconductor devices, which includes a compound with a Si—O bond and a cationic functional group, along with a specific crosslinking agent.
Career Highlights
Throughout his career, Hirofumi Tanaka has worked with notable companies such as Mitsui Chemicals, Inc. and Mitsu Chemicals, Inc. His expertise in semiconductor materials and processes has been instrumental in driving innovation within these organizations.
Collaborations
Tanaka has collaborated with esteemed colleagues, including Yasuhisa Kayaba and Shoko Ono. These partnerships have further enriched his research and development efforts in the semiconductor field.
Conclusion
Hirofumi Tanaka's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in semiconductor applications and materials.