This inventor holds 2 USPTO granted patents. Top assignees: Nec Platforms, Ltd., Nitsuko Corporation. Active years: 1995-2018.
Company Filing History:
Years Active: 1995-2018
Title: Shigeru Ohsawa: Innovator in Door Locking Devices and Key Telephone Systems
Introduction
Shigeru Ohsawa is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the fields of electronic equipment and security systems. With a total of 2 patents to his name, Ohsawa's work reflects his innovative spirit and technical expertise.
Latest Patents
Ohsawa's latest patents include a door locking device and a key telephone system with voice storage equipment. The door locking device features a pivot end wall portion with a first through-hole and an opposed wall portion with a second through-hole. It incorporates a key cylinder with a movable element that interacts with a pivot hook to secure the door. When unlocked, the pivot hook retreats, while it enters the second through-hole when locked, ensuring the door remains closed. The key telephone system is designed to memorize voice mail messages, sender and receiver phone numbers, and recording times. It also includes a display for showing the recording status of voice mail messages.
Career Highlights
Throughout his career, Shigeru Ohsawa has worked with prominent companies such as Nitsuko Corporation and NEC Platforms, Ltd. His experience in these organizations has contributed to his development as an inventor and innovator in his field.
Collaborations
Ohsawa has collaborated with various professionals, including his coworker Junichi Sato. Their joint efforts have likely led to advancements in the technologies they have worked on together.
Conclusion
Shigeru Ohsawa's contributions to the fields of door locking devices and key telephone systems highlight his innovative capabilities. His patents reflect a commitment to enhancing security and communication technologies.
