This inventor holds 6 USPTO granted patents and 1 EPO patent. Top assignees: Hiroshima University, Hitachi Chemical Company, Ltd., Silicon Library Inc.. Active years: 1978-2026.
Location History:
- Ibaragi, JP (1978)
- Hitachi, JP (1981)
- Higashihiroshima, JP (2015 - 2016)
- Hiroshima, JP (2023)
Company Filing History:
4 out of 258 
3 out of 1,641 
2 out of 4 Years Active: 1978-2026
Title: Minoru Fujishima: Innovator in Wireless Communication Technologies
Introduction
Minoru Fujishima is a prominent inventor based in Higashihiroshima, Japan. He has made significant contributions to the field of wireless communication, holding a total of 6 patents. His work focuses on advanced transmission and reception technologies that enhance communication systems.
Latest Patents
Fujishima's latest patents include a transmitter/receiver and signal generation method. This invention up-converts an intermediate frequency (IF) signal using a local oscillation (LO) signal, generating a transmission signal in the radio frequency (RF) range. Additionally, the transmitter/receiver generates both (LO+IF) and (LO−IF) signals based on the IF and LO signals. This innovative approach eliminates the need for a local oscillation signal generation unit in the receiving unit. Another notable patent is for a wireless transmission system that includes a wireless HDMI transmitter and receiver. This system utilizes a carrier oscillator for each channel of the HDMI transmission path, outputting a carrier signal in the millimeter band, and employs on-off keying modulation for effective signal transmission.
Career Highlights
Fujishima has had a distinguished career, working with notable organizations such as Hitachi Chemical Company, Ltd. and Hiroshima University. His experience in these institutions has allowed him to develop and refine his innovative ideas in wireless communication technologies.
Collaborations
Throughout his career, Fujishima has collaborated with esteemed colleagues, including Shigeyoshi Tanaka and Junzoh Shimizu. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Minoru Fujishima's contributions to wireless communication technologies have established him as a key figure in the field. His innovative patents and collaborations reflect his commitment to advancing communication systems. His work continues to influence the industry and pave the way for future developments.