Location History:
- Itami, JP (1988 - 1996)
- Tokyo, JP (1999 - 2008)
Company Filing History:
Years Active: 1988-2008
Title: The Innovations of Kunihiko Isshiki
Introduction
Kunihiko Isshiki is a prominent inventor based in Itami, Japan. He has made significant contributions to the field of optical communication, holding a total of 10 patents. His work focuses on developing advanced optical amplifiers and communication systems that enhance the efficiency and performance of data transmission.
Latest Patents
Among his latest patents is an innovative optical amplifier that incorporates multiple pump light sources. This optical amplifier features an intensity modulator that adjusts the intensity of the pump light at a predetermined frequency. It also includes a photoelectric converter that transforms part of the wavelength-division multiplexed signal light, which is Raman-amplified by the pump light, into electrical signals. Additionally, a gain modulation signal detector extracts a gain modulation signal from these electrical signals, while a controller manages the intensity of the pump lights to achieve a specific Raman amplification gain.
Another notable patent is an efficient, wavelength-independent optical amplifier. This device consists of an optical transmitter, a signal light inputter, and an amplified light fiber connected to the transmitter. It also includes an excitation source that supplies pump light to the fiber and an optical filter that reflects the signal light while transmitting the pump light. This design allows for further amplification of the signal light, accommodating different wavelengths to enhance efficiency.
Career Highlights
Kunihiko Isshiki has worked with notable companies such as Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Denki K.K. His experience in these organizations has contributed to his expertise in optical technologies and innovations.
Collaborations
Throughout his career, Isshiki has collaborated with talented individuals, including Akihiro Shima and Wataru Susaki. These partnerships have fostered a creative environment that has led to groundbreaking advancements in optical communication.
Conclusion
Kunihiko Isshiki's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative designs continue to influence the development of efficient communication systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.