This inventor holds 2 USPTO granted patents. Top assignees: Nippon Telegraph and Telephone Corporation, Nitsuko Corporation. Active years: 1989-1991.
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 5,300 
2 out of 86 Years Active: 1989-1991
Title: Hiroshi Ishizuka: Innovator in Telecommunications
Introduction
Hiroshi Ishizuka is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of telecommunications, holding a total of 2 patents. His work has impacted the way we communicate through technology.
Latest Patents
Ishizuka's latest patents include a key telephone set and a telephone handset. These inventions showcase his dedication to improving communication devices and enhancing user experience.
Career Highlights
Throughout his career, Ishizuka has worked with prominent companies such as Nitsuko Corporation and Nippon Telegraph and Telephone Corporation. His experience in these organizations has allowed him to develop innovative solutions in the telecommunications sector.
Collaborations
Ishizuka has collaborated with talented individuals like Yoshio Sasaki and Iwamasa Nishikado. These partnerships have contributed to the advancement of his projects and inventions.
Conclusion
Hiroshi Ishizuka's contributions to telecommunications through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to shape the future of communication technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile