Location History:
- Tachikawa, JP (1999 - 2013)
- Kodaira, JP (1989 - 2022)
Company Filing History:
13 out of 3,781 
11 out of 42,508 
6 out of 182 
Years Active: 1989-2022
Title: Innovations and Contributions of Toshifumi Takeda
Introduction:
Toshifumi Takeda is an accomplished inventor based in Tachikawa, Japan, known for his significant contributions to the field of solid-state imaging devices and semiconductor technology. With a remarkable 29 patents to his name, Takeda has established himself as a key figure in technological innovation, particularly in camera systems and integrated circuit devices.
Latest Patents:
Among his latest innovations are two notable patents:
1. **Solid-state Imaging Device and Camera System** - This invention offers a solid-state imaging device and camera system capable of recording still images without the need for a recording medium. Each pixel of the image sensor is equipped with a photodiode, transfer transistor, reset transistor, and amplifying transistor, along with a memory element that features selective functions. The design enables efficient charge storage corresponding to the light received, enhancing image quality and recording capability.
2. **Semiconductor Integrated Circuit Device** - This patent describes a structure where interconnections are crafted over an insulating film covering MISFETs on the semiconductor substrate. It emphasizes the strategic placement of dummy interconnections in regions away from active circuit areas, enhancing circuit efficiency and integrity. The innovation also incorporates a process for planarizing insulating films, improving performance in semiconductor applications.
Career Highlights:
Toshifumi Takeda has had a distinguished career, having worked with prominent companies such as Renesas Technology Corporation and Hitachi, Ltd. His experience at these leading technology firms has complemented his expertise in semiconductor advancements and imaging technologies, allowing him to contribute to groundbreaking developments in his field.
Collaborations:
Throughout his career, Takeda has collaborated with noteworthy professionals, including Yasushi Koubuchi and Koichi Nagasawa. These partnerships have fostered an environment of shared innovation and research, propelling advancements in imaging and circuit technologies within the industry.
Conclusion:
Toshifumi Takeda's innovative spirit and technical acumen manifest in his extensive patent portfolio and collaborations. His work, particularly in the realms of solid-state imaging and semiconductor devices, continues to influence the technology landscape, Solidifying his status as a leading inventor in his field.