Location History:
- Suwa, JP (1998)
- Nagano-ken, JP (2003 - 2007)
- Minowa-machi, JP (2000 - 2009)
- Nagano, JP (2010)
- Minowa, JP (2020 - 2023)
Company Filing History:
Years Active: 1998-2025
Title: The Innovations of Eiichi Nagasaka
Introduction
Eiichi Nagasaka is a prominent inventor based in Minowa, Japan. He has made significant contributions to the field of timekeeping technology, holding a total of 11 patents. His work primarily focuses on electronically controlled mechanical timepieces, showcasing his expertise and innovative spirit.
Latest Patents
One of Nagasaka's latest inventions is an electronically controlled mechanical timepiece. This device includes a rotor with a rotary shaft, a pinion that transmits torque from a mainspring, and a rotor magnet attached to the rotary shaft. The rotor is designed to rotate using the torque provided. Additionally, the timepiece features a generator that consists of a coil and a stator, which generates power through the rotor's rotation. The main plate contains a magnetic material and supports the rotary shaft of the rotor. In a cross-sectional view, the center of the stator is positioned farther toward the opposing surface than the center of the rotor magnet. Another notable invention is a timepiece part that minimizes axial runout of a flat member during rotation. This includes an escape wheel and pinion with an axle member, a guide member, and a fixing member, all designed to enhance the functionality of the timepiece.
Career Highlights
Eiichi Nagasaka is currently associated with Seiko Epson Corporation, a leading company in the field of electronics and precision instruments. His work at Seiko Epson has allowed him to develop and refine his innovative ideas, contributing to the advancement of timekeeping technology.
Collaborations
Nagasaka has collaborated with notable colleagues such as Osamu Takahashi and Tatsuo Hara. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Eiichi Nagasaka's contributions to the field of timekeeping through his innovative patents and collaborations highlight his significant role as an inventor. His work continues to influence the industry and inspire future advancements in technology.