This inventor holds 30 USPTO granted patents and 21 published patent applications. Top assignees: Seiko Instruments Inc, Asics Corporation, Seiko Watch Kabushiki Kaisha (Trading as Seiko Watch Corporation). Active years: 2006-2025.
Company Filing History:
29 out of 2,903 
2 out of 592 
1 out of 3 Years Active: 2006-2025
Areas of Expertise:
Title: Tomohiro Ihashi: Innovator in Timepiece Technology
Introduction
Tomohiro Ihashi is a prominent inventor based in Chiba, Japan, known for his substantial contributions to the field of timepiece technology. With an impressive portfolio of 29 patents, Ihashi has made significant strides in developing innovative solutions that enhance the functionality and efficiency of timekeeping devices.
Latest Patents
One of Ihashi's latest inventions is a groundbreaking timepiece movement that includes a control unit designed to determine the position of an indicating hand by detecting the rotation state of a rotor. This innovation integrates a train wheel that transmits the drive force of a stepping motor to the indicating hand, featuring a first gear, a second gear, and a third gear that mesh with the first. The first gear incorporates a reference load unit that causes fluctuations in the load applied to the rotor, significantly optimizing performance.
Additionally, Ihashi has developed a sophisticated communication system encompassing an electronic timepiece and a communication apparatus. This system allows for secure communication connections, ensuring that only approved electronic timepieces can exchange data with the apparatus. When a connection is requested, the apparatus checks an inclusion list to determine if the electronic timepiece is authorized to communicate, enhancing security and functionality.
Career Highlights
Throughout his career, Tomohiro Ihashi has worked with esteemed companies, including Seiko Instruments Inc and ASICS Corporation. His experience with these leading organizations showcases his expertise in the field and his ability to drive innovation in timepiece technology.
Collaborations
Ihashi has collaborated with notable colleagues such as Akira Takakura and Kenji Ogasawara, contributing to various projects that push the boundaries of existing technology. His partnerships have facilitated the exchange of ideas and expertise, further enhancing the development of cutting-edge timekeeping solutions.
Conclusion
Tomohiro Ihashi stands out as a significant figure in the innovation of timepiece technology. With his 29 patents reflecting his expertise and creativity, he continues to lead advancements in the industry. Through his collaborations and experiences with notable companies, Ihashi is poised to make even more contributions in the future, solidifying his impact on the world of timekeeping.