Location History:
- Koganei, JP (2000)
- Tokyo, JP (1987 - 2001)
Company Filing History:
2 out of 5,230 
2 out of 75 
1 out of 35,734 
Years Active: 1987-2001
Title: Innovations of Hidefumi Kanai
Introduction
Hidefumi Kanai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of technology, particularly in the development of portable devices and image forming apparatuses. With a total of three patents to his name, Kanai's work reflects a commitment to enhancing user experience through innovative solutions.
Latest Patents
One of Kanai's latest patents is a portable terminal device designed for automatically controlling transmitting voice levels and calling sound levels. This device includes a comparing unit that, upon receiving a radio signal, compares the ambient noise level detected by a noise sensor with a preset threshold value. Depending on the comparison, the device adjusts the voice levels accordingly, ensuring optimal sound quality in varying environments.
Another significant patent involves a developing device used in an image forming apparatus. This device features a developing roller that contacts a photosensitive drum to create a developing portion. It includes a toner hopper, a toner stirring member, and a doctor blade, all working together to ensure efficient toner application and removal. The innovative design allows for effective management of residual toner, enhancing the overall performance of the image forming apparatus.
Career Highlights
Kanai has worked with prominent companies such as Casio Computer Co., Ltd. and Casio Electronics Manufacturing Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced technological solutions.
Collaborations
Throughout his career, Kanai has collaborated with talented individuals, including Mitsugu Oishi and Takeo Hirono. These partnerships have fostered a creative environment that has led to the development of innovative products.
Conclusion
Hidefumi Kanai's contributions to technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in portable devices and image forming technologies.