This inventor holds 2 USPTO granted patents. Top assignees: Fujitsu Corporation, Fujitsu Kiden, Ltd., Japanese National Railways. Active years: 1981.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 39,378 
2 out of 4 
2 out of 50 Years Active: 1981
Title: Kozo Ishikawa: Innovator in Automatic Message Announcement Systems
Introduction
Kozo Ishikawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of automatic message announcement systems, particularly in the context of train stations. With a total of 2 patents, his work has greatly enhanced the efficiency and clarity of announcements in transportation settings.
Latest Patents
Ishikawa's latest patents include an automatic message announcement system designed for trains in railroad station premises. This system features a train tracking circuit that monitors the location of approaching trains. It also includes a memory that stores information about each train, an editing circuit that combines this information with a series of message patterns, and an announcement message selection circuit that determines which messages should be announced based on the train's location. Another patent focuses on an automatic message announcement system for vehicles such as trains at a train station. This system utilizes an addressable voice memory to store sequences of voice segments, which are read out upon receiving announcement command input signals. The design allows for the alteration of message sequences to accommodate heavy traffic, ensuring timely announcements.
Career Highlights
Throughout his career, Kozo Ishikawa has worked with prominent organizations, including Japanese National Railways and Fujitsu Corporation. His experience in these companies has provided him with valuable insights into the needs of the transportation industry, allowing him to develop innovative solutions.
Collaborations
Ishikawa has collaborated with notable individuals in his field, including Yoshiro Hayashi and Akira Sugihara. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Kozo Ishikawa's contributions to automatic message announcement systems have significantly improved communication in train stations. His innovative patents and career experiences reflect his dedication to enhancing the efficiency of transportation systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile