This inventor holds 3 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 1995-2005.
Location History:
- Yamato, JP (1995)
- Fujisawa, JP (2003 - 2005)
Company Filing History:
Years Active: 1995-2005
Title: Noboru Tsurukawa: Innovator in Electronic Power Solutions
Introduction
Noboru Tsurukawa is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of electronic power units, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of battery systems, particularly in computing applications.
Latest Patents
Tsurukawa's latest patents include an innovative electronic power unit that features a battery and a compensator for calculating the actual charge capacity of the battery. This invention provides a main battery used as an electric power unit for computers, equipped with a memory that stores capacity information and compensation information based on battery charging cycles. A CPU detects the cycle count of the battery, allowing for accurate compensation of the capacity information according to the total capacity obtained.
Another significant patent is for a power supply unit that includes a rechargeable battery designed to supply power to the body circuit of an electrical apparatus. This unit features a current measurement circuit and a voltage measurement circuit, along with a controller that detects the occurrence of memory effects in the battery. This detection is based on whether the currently-discharged voltage value is lower than a predetermined voltage value when the detected battery capacity is at or below a certain threshold.
Career Highlights
Noboru Tsurukawa is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the field of electronic power solutions. His work has been instrumental in advancing battery technology and improving the performance of electronic devices.
Collaborations
Throughout his career, Tsurukawa has collaborated with talented individuals such as Shigefumi Odaohhara and Tomonori Nishio. These collaborations have contributed to the development of cutting-edge technologies in the realm of electronic power systems.
Conclusion
Noboru Tsurukawa is a distinguished inventor whose work in electronic power units has made a significant impact on the industry. His innovative patents and contributions to IBM highlight his commitment to advancing technology in battery systems.