Company Filing History:
Years Active: 1983-1995
Title: **The Innovations of Tsutomu Kohno: A Pioneer in Light Transmission and Magnetic Tape Technologies**
Introduction
Tsutomu Kohno is an innovative inventor based in Yokohama, Japan, known for his contributions to the fields of light transmission modules and magnetic tape shifting devices. With two patents to his name, Kohno has made significant advancements that enhance efficiency and functionality in various technical applications.
Latest Patents
One of Kohno's notable patents is the **Light Transmission Module**, which features a unique design that integrates a light receiving element module and a light emitting element module. In this invention, both modules are hermetically sealed, enabling them to maintain optimal performance. The light receiving element includes a photodiode coupled to a first optical fiber, while the light emitting element comprises a laser diode driven by an electric signal alongside another optical fiber. A two-sided printed circuit board connects the transmitting and receiving systems while keeping them electrically isolated, ensuring reliability in transmission processes.
Another significant innovation is his **Magnetic Tape Shifting Device**, which introduces a movable member designed to carry multiple reels. This device utilizes a driving mechanism that positions a specific reel at a desired location during operation. It incorporates a photo detector to sense the end of the running magnetic tape and activates the motor to shift the next reel, facilitating continuous operation. This technology is particularly beneficial for tape recorders that duplicate tapes from original sources while dramatically reducing the time required for the entire copying process.
Career Highlights
Throughout his career, Tsutomu Kohno has worked with prominent companies such as Hitachi and Victor Company of Japan, Limited. His expertise and innovative spirit have allowed him to contribute to cutting-edge technologies and products in these esteemed organizations.
Collaborations
Kohno has collaborated with notable professionals, including Kohei Ishizuka and Masaya Nakata. These partnerships have fostered an environment of creativity and technological advancement, leading to significant innovations in their respective fields.
Conclusion
Tsutomu Kohno's work exemplifies the essence of innovation, showcasing how his inventions have the potential to transform industries related to light transmission and magnetic tape technologies. His dedication to advancing these fields not only reflects his ingenuity but also contributes to the ongoing evolution of technology in everyday applications.