This inventor holds 11 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Denshi Kabushiki Kaisha, Japanese National Railways. Active years: 1978-2007.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kodaira, JP (1978)
- Katsuta, JP (1991)
- Hitachinaka, JP (2001 - 2007)
Company Filing History:
11 out of 42,752 
1 out of 208 
1 out of 50 Years Active: 1978-2007
Title: Michio Fujiwara: Innovator in Train Detection Technology
Introduction
Michio Fujiwara is a prominent inventor based in Hitachinaka, Japan. He has made significant contributions to the field of train detection technology, holding a total of 11 patents. His innovative work has enhanced the safety and efficiency of train operations.
Latest Patents
Fujiwara's latest patents include a train detection system and a train detection method. The train detection system features transmitters and receivers connected to a track circuit, which transmit and receive a train detecting signal. A control device on the ground transmits the train detecting signal to the transmitter and receives the train detection signal from the receiver. The transmitter adds a first unique code to the train detecting signal and transmits it to the track circuit. The receiver adds a second unique code to the train detecting signal and transmits it back to the control device. The control device includes a storage portion and a collating portion that checks whether the first and second unique code data coincide with pre-stored data. Additionally, the transmitter and receiver device for train detection works in conjunction with a control device on the ground, performing detection and collation of train detecting signals.
Career Highlights
Throughout his career, Michio Fujiwara has worked with notable companies such as Hitachi, Ltd. and Hitachi Denshi Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in train detection technology.
Collaborations
Fujiwara has collaborated with several talented individuals, including Kenji Oguma and Atsushi Kawabata. Their teamwork has contributed to the advancement of technology in the railway sector.
Conclusion
Michio Fujiwara's contributions to train detection technology have made a lasting impact on the industry. His innovative patents and collaborations with esteemed colleagues highlight his dedication to enhancing railway safety and efficiency.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile