Location History:
- Suginami-ku, JP (2009)
- Tokyo, JP (2008 - 2024)
Company Filing History:
Years Active: 2008-2024
Title: Kenzo Tojima: Innovator in Photoelectric Conversion Technology
Introduction
Kenzo Tojima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of photoelectric conversion technology, holding a total of 15 patents. His work has been instrumental in advancing imaging technologies, particularly in the context of high-illuminance environments.
Latest Patents
Among his latest patents is a photoelectric conversion apparatus and system that utilizes photodiodes to perform avalanche multiplication. This innovative apparatus includes a first and second pixel, each equipped with a photodiode, along with a signal processing circuit that features a control circuit and a counter. The control circuit manages the photodiode and a circuit designed to generate a pulse signal, allowing it to operate in either a standby or recharge state. The counter is responsible for counting the number of periods during which avalanche multiplication occurs in the standby state.
Another notable patent involves an imaging sensor, imaging apparatus, and imaging method that effectively reduces errors in photon count during high illuminance conditions. This invention employs a time counter that adjusts the counting time based on the illuminance level, ensuring accurate photon counting even when pixel counters reach saturation.
Career Highlights
Kenzo Tojima is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to push the boundaries of imaging technology, contributing to the development of advanced photoelectric systems.
Collaborations
Tojima collaborates with fellow inventor Yoshiyuki Akiba, working together to enhance the capabilities of imaging technologies and develop innovative solutions in their field.
Conclusion
Kenzo Tojima's contributions to photoelectric conversion technology and his innovative patents have significantly impacted the imaging industry. His work continues to pave the way for advancements in high-illuminance imaging solutions.