Location History:
- Tokyo, JP (1995 - 1996)
- Saitama-ken, JP (2003)
Company Filing History:
Years Active: 1995-2003
Title: Hisashi Konno: Innovator in Optical Disc Technology
Introduction
Hisashi Konno is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical disc technology, holding a total of 3 patents. His work has advanced the capabilities of optical data recording and reproduction systems.
Latest Patents
One of Hisashi Konno's latest patents is an optical disc apparatus. This apparatus includes a fixed portion with a light source and a movable portion that holds an objective lens, which moves along the radial direction of an optical disc. The fixed portion emits both short and long wavelength laser beams, while the objective lens is designed with a positive refractive lens and a diffractive lens structure. This structure allows for varying spherical aberration based on the wavelength of the incident light. The objective lens effectively converges laser beams onto information layers of different types of optical discs.
Another notable patent involves the inclination of an objective lens in an optical information system. This detecting apparatus measures the inclination of the objective lens relative to a reference surface. It includes a transparent parallel plate and a reflecting mechanism that reflects coherent light back towards the lens. The system is designed to produce optical interference, enhancing the accuracy of data recording and reproduction.
Career Highlights
Hisashi Konno has worked with several notable companies throughout his career. He has been associated with Asahi Kogaku Kogyo Kabushiki Kaisha and Pentax Corporation. His experience in these organizations has contributed to his expertise in optical technologies.
Collaborations
Throughout his career, Konno has collaborated with talented individuals such as Masahiro Oono and Toshiyuki Kase. These collaborations have fostered innovation and development in the field of optical disc technology.
Conclusion
Hisashi Konno's contributions to optical disc technology through his patents and collaborations highlight his role as a key innovator in this field. His work continues to influence advancements in data recording and reproduction systems.