Location History:
- Akikawa, JP (1982)
- Hachioji, JP (1983 - 1984)
- Akigawa, JP (1979 - 1986)
- Tokyo, JP (1984 - 1990)
Company Filing History:
8 out of 1,252 
1 out of 16 
1 out of 3,106 
Years Active: 1979-1990
Title: **Hirofumi Sakaguchi: An Innovator in Document Feeding Technologies**
Introduction
Hirofumi Sakaguchi, an accomplished inventor based in Hachioji, Japan, holds a remarkable portfolio of 10 patents. He has made significant contributions to the field of document handling and recording technologies, showcasing innovative solutions that combine efficiency and functionality.
Latest Patents
Sakaguchi's most recent patents include a highly effective document feeding apparatus and a sophisticated recording apparatus with speed control. The document feeding apparatus features both automatic and manual feed modes, incorporating a paper feeding belt designed to feed documents smoothly from a stack. This innovation prevents overlapping feeds through the use of a stop roller, allowing for consistent operation in varied modes.
In addition, his recording apparatus utilizes an electrostatic image support that facilitates the transfer of toner images onto copy paper. This invention cleverly integrates a control device that adjusts the circumferential speeds of the components based on the spatial relationship between the copy paper and the fixing device, ensuring optimal performance during the printing process.
Career Highlights
Throughout his career, Hirofumi Sakaguchi has been associated with renowned companies, including Konishiroku Photo Industry Co., Ltd. and Konishiroku Photo Ind. Co., Ltd. His experience in these organizations has enriched his knowledge and capabilities in developing advanced technologies for document handling.
Collaborations
Sakaguchi's innovative journey has been supported by collaborations with esteemed colleagues, including Noriyoshi Tarumi and Kenji Ueno. These partnerships have fostered creative ideas that have contributed to his success as an inventor.
Conclusion
Hirofumi Sakaguchi's influence in the realm of document feeding and recording technology is evident through his numerous patents and contributions to the industry. His dedication to innovation continues to inspire advancements that improve document handling efficiencies. As technology evolves, Sakaguchi's work remains a testament to the importance of creativity and collaboration in driving progress.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.