Location History:
- Hyogo, JP (1991)
- Tsukaguchihonmachi, JP (1992)
- Amagasaki, JP (1985 - 1995)
- Nagaokakyo, JP (1997 - 2009)
- Nagaokakyo-shi, JP (2011)
Company Filing History:
34 out of 21,351 
4 out of 1,030 
3 out of 15,906 
Years Active: 1985-2011
Title: The Innovative Mind of Teruo Furukawa
Introduction: Teruo Furukawa, a prominent inventor based in Nagaokakyo, Japan, has made significant contributions to the field of optical technology. With an impressive portfolio of 37 patents, he has established himself as a thought leader in the industry.
Latest Patents: Among Teruo Furukawa's latest innovations is a groundbreaking patent for an optical disk and optical disk drive device. This invention features a recording region that is divided into zones, with each zone comprising physical tracks that are adjacent to one another. An integer number of sectors is provided in each physical track, while the angular recording density is engineered to be higher in the outward zones. This remarkable design ensures that the linear recording density remains substantially constant across the entire recording region. Logical tracks are established with a predetermined number of sectors, independent of the physical tracks, simplifying the conversion between logical track and sector addresses. Furthermore, the design facilitates the seamless integration of substitute sectors in place of defect sectors, primarily by ensuring that the addresses written in sector headers are consecutive. Additionally, each zone is independently configurable to serve various types of recording areas, enhancing the device's versatility.
Career Highlights: Teruo Furukawa has worked with esteemed companies, including Mitsubishi Electric Corporation and Teac Corporation, where he has honed his skills and contributed to cutting-edge developments in optical technology.
Collaborations: Throughout his career, Furukawa has collaborated with talented individuals, including Kyosuke Yoshimoto and Kazuhiko Nakane. These partnerships have undoubtedly enriched his innovative pursuits and expanded the horizons of optical technology.
Conclusion: Teruo Furukawa is a visionary inventor whose work with optical disks and drives has significantly impacted the technology landscape. His 37 patents reflect a commitment to innovation and excellence in engineering, paving the way for advancements in optical technology.