This inventor holds 45 USPTO granted patents and 7 published patent applications and 7 EPO patents, primarily in Semiconductor Manufacturing. Top assignees: Felica Networks, Inc., Nec Corporation, Kabushiki Kaisha Toshiba. Active years: 1989-2026.
Location History:
- Yokohama, JP (2002 - 2011)
- Tokyo, JP (1989 - 2020)
- Mie, JP (2017 - 2020)
- Kyoto, JP (2013 - 2021)
- Yokkaichi, JP (2012 - 2023)
- Kobe, JP (2023 - 2024)
Company Filing History:
9 out of 123Â 
9 out of 36,636Â 
8 out of 53,226Â 
Years Active: 1989-2026
Areas of Expertise:
Title: Hiroaki Yamada: Innovator in Semiconductor Manufacturing and Communication Technologies
Introduction
Hiroaki Yamada is a prolific inventor based in Tokyo, Japan, recognized for his significant contributions to semiconductor manufacturing and communication technologies. With an impressive portfolio of 41 patents, Yamada's innovations have had a lasting impact on various high-tech industries.
Latest Patents
Yamada's recent inventions include a groundbreaking **semiconductor manufacturing device** designed to enhance efficiency in the production process. This device features a chemical solution preparation tank, a specialized chamber for discharging the chemical solution onto a substrate, a pressure sensor for monitoring the tank's internal pressure, and a variable opening valve that controls the outflow to the exhaust pipe. Furthermore, he has developed a **communication apparatus, control device, and communication method**. This apparatus, connected to a network, ensures data updates occur at regular intervals. It includes multiple scheduling means to allocate communication bands for different data types, ensuring efficient transmission and control in manufacturing environments.
Career Highlights
Yamada has built his career at prominent companies, including NEC Corporation and Felica Networks, Inc. His work has been instrumental in advancing the capabilities of these organizations in semiconductor technologies and communication systems.
Collaborations
Throughout his journey, Yamada has collaborated with esteemed colleagues, including Naoto Tobita and Shigeki Wakasa. These partnerships have enabled the exchange of ideas and fostered innovation, further enhancing the technological landscape.
Conclusion
Hiroaki Yamada exemplifies the spirit of innovation through his extensive patent portfolio and contributions to the industry. His work continues to influence the development of semiconductor manufacturing and communication technologies, marking him as a noteworthy inventor in his field.