This inventor holds 7 USPTO granted patents and 1 published patent application. Top assignee: Fujitsu Corporation. Active years: 1990-2009.
Location History:
- Machida, JP (1990 - 1993)
- Kawasaki, JP (2000 - 2009)
Company Filing History:
Years Active: 1990-2009
Title: Innovations of Toshifumi Hatagami
Introduction
Toshifumi Hatagami is a notable inventor based in Machida, Japan. He has made significant contributions to the field of integrated circuits and data storage technologies. With a total of 7 patents to his name, Hatagami's work has had a considerable impact on modern electronics.
Latest Patents
One of his latest patents involves an integrated circuit and circuit board. This innovation features an analog output circuit designed to output an analog signal. It includes a leadless terminal that connects the output line of the analog output circuit to a circuit board through soldering. The system measures and transfers the analog output voltage of the leadless terminal while mounted on the circuit board. A measuring unit is equipped with a switching unit that connects the analog output circuit to the measuring unit during failure diagnosis. An AD converter measures the analog output voltage of the leadless terminal in a failure diagnosis state, allowing for the determination of whether the voltage is normal or abnormal.
Another significant patent pertains to a method and apparatus for head control in a disk-drive apparatus. This invention controls a head that reads and writes data to a recording medium, with the spinning speed regulated by a clock signal. It includes a clock-error detecting unit that identifies errors in the clock signal. Additionally, a head-retraction control unit ensures the head is safely retracted when an error is detected.
Career Highlights
Toshifumi Hatagami is currently employed at Fujitsu Corporation, where he continues to innovate and develop cutting-edge technologies. His work at Fujitsu has positioned him as a key player in the advancement of electronic components and systems.
Collaborations
Throughout his career, Hatagami has collaborated with esteemed colleagues such as Masahito Iwatsubo and Keiji Aruga. These partnerships have fostered a creative environment that has led to numerous advancements in their respective fields.
Conclusion
Toshifumi Hatagami's contributions to the field of electronics through his patents and innovations highlight his expertise and dedication. His work continues to influence the development of integrated circuits and data storage technologies, making him a significant figure in the industry.