This inventor holds 4 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Tokyo Shibaura Electric Co., Ltd.. Active years: 1977-1987.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hyogo, JA (1977)
- Kawasaki, JP (1981 - 1987)
Company Filing History:


Years Active: 1977-1987
Title: Kenichi Muramoto: Innovator in Transistor Technology
Introduction
Kenichi Muramoto is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of transistor technology, holding a total of 4 patents. His innovative designs focus on enhancing the performance and reliability of transistor devices.
Latest Patents
One of his latest patents is the "Breakdown Protected Planar Transistor Device." This invention features a protection circuit that includes a variable resistor device formed of a junction type field effect transistor. The resistor device is connected in series with the base of the planar transistor, allowing for increased base input resistance. This design effectively reduces base current when a high voltage is accidentally applied to the collector, ensuring the device remains operational while being protected.
Another significant patent is the "High Withstand Voltage Darlington Transistor Circuit." This circuit comprises a Darlington transistor and a bypass circuit, which includes a bypass transistor connected to the base of the earlier stage transistor. When the collector-emitter voltage of the Darlington transistor exceeds a specified value, the bypass transistor operates, supplying base current to the later stage transistor. This innovative approach substantially increases the withstand voltage of the Darlington transistor.
Career Highlights
Throughout his career, Kenichi Muramoto has worked with prominent companies such as Kabushiki Kaisha Toshiba and Tokyo Shibaura Electric Co., Ltd. His experience in these organizations has contributed to his expertise in transistor technology and innovation.
Collaborations
Kenichi has collaborated with notable individuals in the field, including Noboru Fuse and Makoto Hideshima. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Kenichi Muramoto's contributions to transistor technology through his patents demonstrate his commitment to innovation and excellence in the field. His work continues to influence the development of reliable and efficient electronic devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile